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A key question arises: What is the mechanism behind the emergence of new trends? To answer this question, we can model real-world dynamic systems as networks, where a network is represented by a set of vertices and their corresponding links. The features and topology of these networks can then be analyzed, including how they evolve over a long period of time. However, the actual mechanisms behind these dynamic systems remain difficult to understand. Here we show the construction of the largest publicly available network evolution dataset to date, which we utilized to reveal how key entities in a network gain power. We employed state-of-the art data science tools and extensive cloud computing resources to create this massive corpora that contains 38,000 real-world networks and 2.5 million graphs. Then, we performed the first precise wide-scale analysis of the evolution of networks with various scales. Three primary observations emerged: first, links are most prevalent among vertices that join a network at a similar time; second, the rate that new vertices join a network is a central factor in molding a network's topology; and third, the emergence of network stars (high-degree vertices) is correlated with fast-growing networks. We applied our learnings to develop a simple network-generation model -- a flexible model based on large-scale, real-world data. Our results are applicable to dynamic systems in nature and society, and deliver a better understanding of how stars within these networks rise and fall.", "publicationTitle": "arXiv:1706.06690 [cs]", "publisher": "", "place": "", "date": "2017-06-20", "volume": "", "issue": "", "section": "", "partNumber": "", "partTitle": "", "pages": "", "series": "", "seriesTitle": "", "seriesText": "", "journalAbbreviation": "", "DOI": "", "citationKey": "", "url": "http://arxiv.org/abs/1706.06690", "accessDate": "2017-06-22T04:37:59Z", "PMID": "", "PMCID": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "arXiv.org", "callNumber": "", "rights": "", "extra": "arXiv: 1706.06690", "tags": [ { "tag": "Computer Science - Social and Information Networks", "type": 1 } ], "collections": [], "relations": {}, "dateAdded": "2017-06-22T04:38:17Z", "dateModified": "2017-06-22T04:38:17Z" } }, { "key": "259H7FTD", "version": 865, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/259H7FTD", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/259H7FTD", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/48210/items/Q9GF83I2", "type": "application/json" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } } }, "data": { "key": "259H7FTD", "version": 865, "parentItem": "Q9GF83I2", "itemType": "attachment", "linkMode": "imported_url", "title": "arXiv.org Snapshot", "accessDate": "2017-06-22T04:38:00Z", "url": "https://arxiv.org/abs/1706.06690", "note": "", "contentType": "text/html", "charset": "utf-8", "filename": "1706.html", "md5": null, "mtime": null, "tags": [], "relations": {}, "dateAdded": "2017-06-22T04:38:17Z", "dateModified": "2017-06-22T04:38:17Z" } }, { "key": "4NATNH3U", "version": 865, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/4NATNH3U", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/4NATNH3U", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/48210/items/Q9GF83I2", "type": "application/json" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } }, "numChildren": 0 }, "data": { "key": "4NATNH3U", "version": 865, "parentItem": "Q9GF83I2", "itemType": "attachment", "linkMode": "imported_url", "title": "arXiv:1706.06690 PDF", "accessDate": "2017-06-22T04:37:59Z", "url": "http://www.arxiv.org/pdf/1706.06690.pdf", "note": "", "contentType": "application/pdf", "charset": "", "filename": "Fire und Guestrin - 2017 - The Rise and Fall of Network Stars.pdf", "md5": null, "mtime": null, "tags": [], "relations": {}, "dateAdded": "2017-06-22T04:38:17Z", "dateModified": "2017-06-22T04:38:17Z" } }, { "key": "ENUEZZS5", "version": 864, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/ENUEZZS5", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/ENUEZZS5", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/48210/items/PFKC7JD7", "type": "application/json" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } }, "numChildren": 0 }, "data": { "key": "ENUEZZS5", "version": 864, "parentItem": "PFKC7JD7", "itemType": "attachment", "linkMode": "imported_url", "title": "arXiv:1706.04829 PDF", "accessDate": "2017-06-20T14:28:39Z", "url": "http://www.arxiv.org/pdf/1706.04829.pdf", "note": "", "contentType": "application/pdf", "charset": "", "filename": "Chang et al. - 2017 - The way to uncover community structure with core a.pdf", "md5": null, "mtime": null, "tags": [], "relations": {}, "dateAdded": "2017-06-20T14:28:39Z", "dateModified": "2017-06-20T14:28:48Z" } }, { "key": "25B72FDH", "version": 864, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/25B72FDH", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/25B72FDH", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/48210/items/PFKC7JD7", "type": "application/json" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } } }, "data": { "key": "25B72FDH", "version": 864, "parentItem": "PFKC7JD7", "itemType": "attachment", "linkMode": "imported_url", "title": "arXiv.org Snapshot", "accessDate": "2017-06-20T14:28:40Z", "url": "https://arxiv.org/abs/1706.04829", "note": "", "contentType": "text/html", "charset": "utf-8", "filename": "1706.html", "md5": null, "mtime": null, "tags": [], "relations": {}, "dateAdded": "2017-06-20T14:28:40Z", "dateModified": "2017-06-20T14:28:40Z" } }, { "key": "PFKC7JD7", "version": 864, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/PFKC7JD7", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/PFKC7JD7", "type": "text/html" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } }, "creatorSummary": "Chang et al.", "parsedDate": "2017-06-13", "numChildren": 2 }, "data": { "key": "PFKC7JD7", "version": 864, "itemType": "journalArticle", "title": "The way to uncover community structure with core and diversity", "creators": [ { "creatorType": "author", "firstName": "YunFeng", "lastName": "Chang" }, { "creatorType": "author", "firstName": "SeungKee", "lastName": "Han" }, { "creatorType": "author", "firstName": "XiDong", "lastName": "Wang" } ], "abstractNote": "Communities are ubiquitous in nature and society. Individuals that share common properties often self-organize to form communities. Avoiding the shortages of computation complexity, pre-given information and unstable results in different run, in this paper, we propose a simple and effcient method to deepen our understanding of the emergence and diversity of communities in complex systems. By introducing the rational random selection, our method reveals the hidden deterministic and normal diverse community states of community structure. To demonstrate this method, we test it with real-world systems. The results show that our method could not only detect community structure with high sensitivity and reliability, but also provide instructional information about the hidden deterministic community world and our normal diverse community world by giving out the core-community, the real-community, the tide and the diversity. This is of paramount importance in understanding, predicting, and controlling a variety of collective behaviors in complex systems.", "publicationTitle": "arXiv:1706.04829 [physics]", "publisher": "", "place": "", "date": "2017-06-13", "volume": "", "issue": "", "section": "", "partNumber": "", "partTitle": "", "pages": "", "series": "", "seriesTitle": "", "seriesText": "", "journalAbbreviation": "", "DOI": "", "citationKey": "", "url": "http://arxiv.org/abs/1706.04829", "accessDate": "2017-06-20T14:28:39Z", "PMID": "", "PMCID": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "arXiv.org", "callNumber": "", "rights": "", "extra": "arXiv: 1706.04829", "tags": [ { "tag": "Computer Science - Social and Information Networks", "type": 1 }, { "tag": "Physics - Data Analysis, Statistics and Probability", "type": 1 }, { "tag": "Physics - Physics and Society", "type": 1 } ], "collections": [], "relations": {}, "dateAdded": "2017-06-20T14:28:39Z", "dateModified": "2017-06-20T14:28:39Z" } }, { "key": "DI8Z35RP", "version": 863, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/DI8Z35RP", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/DI8Z35RP", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/48210/items/AD97D5J3", "type": "application/json" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } }, "numChildren": 0 }, "data": { "key": "DI8Z35RP", "version": 863, "parentItem": "AD97D5J3", "itemType": "attachment", "linkMode": "imported_url", "title": "arXiv:1706.04147 PDF", "accessDate": "2017-06-14T14:32:16Z", "url": "http://www.arxiv.org/pdf/1706.04147.pdf", "note": "", "contentType": "application/pdf", "charset": "", "filename": "Kao und Porter - 2017 - Layer Communities in Multiplex Networks.pdf", "md5": null, "mtime": null, "tags": [], "relations": {}, "dateAdded": "2017-06-14T14:32:16Z", "dateModified": "2017-06-14T14:32:20Z" } }, { "key": "MWP6RRSN", "version": 863, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/MWP6RRSN", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/MWP6RRSN", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/48210/items/AD97D5J3", "type": "application/json" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } } }, "data": { "key": "MWP6RRSN", "version": 863, "parentItem": "AD97D5J3", "itemType": "attachment", "linkMode": "imported_url", "title": "arXiv.org Snapshot", "accessDate": "2017-06-14T14:32:17Z", "url": "https://arxiv.org/abs/1706.04147", "note": "", "contentType": "text/html", "charset": "utf-8", "filename": "1706.html", "md5": null, "mtime": null, "tags": [], "relations": {}, "dateAdded": "2017-06-14T14:32:17Z", "dateModified": "2017-06-14T14:32:17Z" } }, { "key": "AD97D5J3", "version": 863, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/AD97D5J3", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/AD97D5J3", "type": "text/html" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } }, "creatorSummary": "Kao and Porter", "parsedDate": "2017-06-13", "numChildren": 2 }, "data": { "key": "AD97D5J3", "version": 863, "itemType": "journalArticle", "title": "Layer Communities in Multiplex Networks", "creators": [ { "creatorType": "author", "firstName": "Ta-Chu", "lastName": "Kao" }, { "creatorType": "author", "firstName": "Mason A.", "lastName": "Porter" } ], "abstractNote": "Multiplex networks are a type of multilayer network in which entities are connected to each other via multiple types of connections. We propose a method, based on computing pairwise similarities between layers and then doing community detection, for grouping structurally similar layers in multiplex networks. We illustrate our approach using both synthetic and empirical networks, and we are able to find meaningful groups of layers in both cases. For example, we find that airlines that are based in similar geographic locations tend to be grouped together in an airline multiplex network and that related research areas in physics tend to be grouped together in an multiplex collaboration network.", "publicationTitle": "arXiv:1706.04147 [physics]", "publisher": "", "place": "", "date": "2017-06-13", "volume": "", "issue": "", "section": "", "partNumber": "", "partTitle": "", "pages": "", "series": "", "seriesTitle": "", "seriesText": "", "journalAbbreviation": "", "DOI": "", "citationKey": "", "url": "http://arxiv.org/abs/1706.04147", "accessDate": "2017-06-14T14:32:16Z", "PMID": "", "PMCID": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "arXiv.org", "callNumber": "", "rights": "", "extra": "arXiv: 1706.04147", "tags": [ { "tag": "Computer Science - Social and Information Networks", "type": 1 }, { "tag": "Physics - Data Analysis, Statistics and Probability", "type": 1 }, { "tag": "Physics - Physics and Society", "type": 1 } ], "collections": [], "relations": {}, "dateAdded": "2017-06-14T14:32:16Z", "dateModified": "2017-06-14T14:32:16Z" } }, { "key": "XNQWQGP9", "version": 862, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/XNQWQGP9", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/XNQWQGP9", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/48210/items/WRKTIQAP", "type": "application/json" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } }, "numChildren": 0 }, "data": { "key": "XNQWQGP9", "version": 862, "parentItem": "WRKTIQAP", "itemType": "attachment", "linkMode": "imported_url", "title": "arXiv:1706.00593 PDF", "accessDate": "2017-06-09T07:06:43Z", "url": "http://www.arxiv.org/pdf/1706.00593.pdf", "note": "", "contentType": "application/pdf", "charset": "", "filename": "Kim et al. - 2017 - Joint Modeling of Topics, Citations, and Topical A.pdf", "md5": null, "mtime": null, "tags": [], "relations": {}, "dateAdded": "2017-06-09T07:06:43Z", "dateModified": "2017-06-09T07:06:47Z" } }, { "key": "4ARK269B", "version": 862, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/4ARK269B", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/4ARK269B", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/48210/items/WRKTIQAP", "type": "application/json" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } } }, "data": { "key": "4ARK269B", "version": 862, "parentItem": "WRKTIQAP", "itemType": "attachment", "linkMode": "imported_url", "title": "arXiv.org Snapshot", "accessDate": "2017-06-09T07:06:44Z", "url": "https://arxiv.org/abs/1706.00593", "note": "", "contentType": "text/html", "charset": "utf-8", "filename": "1706.html", "md5": null, "mtime": null, "tags": [], "relations": {}, "dateAdded": "2017-06-09T07:06:44Z", "dateModified": "2017-06-09T07:06:44Z" } }, { "key": "C27IFS5N", "version": 862, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/C27IFS5N", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/C27IFS5N", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/48210/items/WRKTIQAP", "type": "application/json" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } }, "numChildren": 0 }, "data": { "key": "C27IFS5N", "version": 862, "parentItem": "WRKTIQAP", "itemType": "note", "note": "

Comment: Accepted by Transactions of the Association for Computational Linguistics (TACL); to appear

", "tags": [], "relations": {}, "dateAdded": "2017-06-09T07:06:43Z", "dateModified": "2017-06-09T07:06:43Z" } }, { "key": "WRKTIQAP", "version": 862, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/WRKTIQAP", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/WRKTIQAP", "type": "text/html" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } }, "creatorSummary": "Kim et al.", "parsedDate": "2017-06-02", "numChildren": 3 }, "data": { "key": "WRKTIQAP", "version": 862, "itemType": "journalArticle", "title": "Joint Modeling of Topics, Citations, and Topical Authority in Academic Corpora", "creators": [ { "creatorType": "author", "firstName": "Jooyeon", "lastName": "Kim" }, { "creatorType": "author", "firstName": "Dongwoo", "lastName": "Kim" }, { "creatorType": "author", "firstName": "Alice", "lastName": "Oh" } ], "abstractNote": "Much of scientific progress stems from previously published findings, but searching through the vast sea of scientific publications is difficult. We often rely on metrics of scholarly authority to find the prominent authors but these authority indices do not differentiate authority based on research topics. We present Latent Topical-Authority Indexing (LTAI) for jointly modeling the topics, citations, and topical authority in a corpus of academic papers. Compared to previous models, LTAI differs in two main aspects. First, it explicitly models the generative process of the citations, rather than treating the citations as given. Second, it models each author's influence on citations of a paper based on the topics of the cited papers, as well as the citing papers. We fit LTAI to four academic corpora: CORA, Arxiv Physics, PNAS, and Citeseer. We compare the performance of LTAI against various baselines, starting with the latent Dirichlet allocation, to the more advanced models including author-link topic model and dynamic author citation topic model. The results show that LTAI achieves improved accuracy over other similar models when predicting words, citations and authors of publications.", "publicationTitle": "arXiv:1706.00593 [cs]", "publisher": "", "place": "", "date": "2017-06-02", "volume": "", "issue": "", "section": "", "partNumber": "", "partTitle": "", "pages": "", "series": "", "seriesTitle": "", "seriesText": "", "journalAbbreviation": "", "DOI": "", "citationKey": "", "url": "http://arxiv.org/abs/1706.00593", "accessDate": "2017-06-09T07:06:43Z", "PMID": "", "PMCID": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "arXiv.org", "callNumber": "", "rights": "", "extra": "arXiv: 1706.00593", "tags": [ { "tag": "Computer Science - Computation and Language", "type": 1 }, { "tag": "Computer Science - Digital Libraries", "type": 1 }, { "tag": "Computer Science - Social and Information Networks", "type": 1 } ], "collections": [], "relations": {}, "dateAdded": "2017-06-09T07:06:43Z", "dateModified": "2017-06-09T07:06:43Z" } }, { "key": "544Z54TM", "version": 861, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/544Z54TM", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/544Z54TM", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/48210/items/3F76DFRD", "type": "application/json" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } }, "numChildren": 0 }, "data": { "key": "544Z54TM", "version": 861, "parentItem": "3F76DFRD", "itemType": "attachment", "linkMode": "imported_url", "title": "arXiv:1706.02681 PDF", "accessDate": "2017-06-09T06:59:16Z", "url": "http://www.arxiv.org/pdf/1706.02681.pdf", "note": "", "contentType": "application/pdf", "charset": "", "filename": "Palacios-Núñez et al. - 2017 - Developmental tendencies in the Academic Field of .pdf", "md5": null, "mtime": null, "tags": [], "relations": {}, "dateAdded": "2017-06-09T06:59:16Z", "dateModified": "2017-06-09T06:59:20Z" } }, { "key": "ZCUPH5MS", "version": 861, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/ZCUPH5MS", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/ZCUPH5MS", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/48210/items/3F76DFRD", "type": "application/json" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } } }, "data": { "key": "ZCUPH5MS", "version": 861, "parentItem": "3F76DFRD", "itemType": "attachment", "linkMode": "imported_url", "title": "arXiv.org Snapshot", "accessDate": "2017-06-09T06:59:17Z", "url": "https://arxiv.org/abs/1706.02681", "note": "", "contentType": "text/html", "charset": "utf-8", "filename": "1706.html", "md5": null, "mtime": null, "tags": [], "relations": {}, "dateAdded": "2017-06-09T06:59:17Z", "dateModified": "2017-06-09T06:59:17Z" } }, { "key": "3F76DFRD", "version": 861, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/3F76DFRD", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/3F76DFRD", "type": "text/html" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } }, "creatorSummary": "Palacios-Núñez et al.", "parsedDate": "2017-06-08", "numChildren": 3 }, "data": { "key": "3F76DFRD", "version": 861, "itemType": "journalArticle", "title": "Developmental tendencies in the Academic Field of Intellectual Property through the Identification of Invisible Colleges", "creators": [ { "creatorType": "author", "firstName": "Guadalupe", "lastName": "Palacios-Núñez" }, { "creatorType": "author", "firstName": "Gabriel", "lastName": "Vélez-Cuartas" }, { "creatorType": "author", "firstName": "Juan D.", "lastName": "Botero" } ], "abstractNote": "The emergence of intellectual property as an academic issue opens a big gate to a cross-disciplinary field. Different disciplines start a dialogue in the framework of the international multilateral treaties in the early 90's. As global economy demands new knowledge on intellectual property, Science grows at its own pace. However, the degree of consolidation of cross-disciplinary academic communities is not clear. In order to know how closely related are these communities, this paper proposes a mixed methodology to find invisible colleges in the production about intellectual property. The articles examined in this paper were extracted from Web of Science. The analyzed period was from 1994 to 2016, taking into account the signature of the agreement on Trade-Related Aspects of Intellectual Property Rights in the early 90's. A total amount of 1580 papers were processed through co-citation network analysis. An especial technique, which combine algorithms of community detection and defining population of articles through thresholds of shared references, was applied. In order to contrast the invisible colleges that emerged with the existence of formal institutional relations, it was made a qualitative tracking of the authors with respect to their institutional affiliation, lines of research and meeting places. Both methods show that the subjects of interest can be grouped into 13 different issues related to intellectual property field. Even though most of them are related to Laws and Economics, there are weak linkages between disciplines which could indicate the construction of a cross-disciplinary field.", "publicationTitle": "arXiv:1706.02681 [physics]", "publisher": "", "place": "", "date": "2017-06-08", "volume": "", "issue": "", "section": "", "partNumber": "", "partTitle": "", "pages": "", "series": "", "seriesTitle": "", "seriesText": "", "journalAbbreviation": "", "DOI": "", "citationKey": "", "url": "http://arxiv.org/abs/1706.02681", "accessDate": "2017-06-09T06:59:16Z", "PMID": "", "PMCID": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "arXiv.org", "callNumber": "", "rights": "", "extra": "arXiv: 1706.02681", "tags": [ { "tag": "Computer Science - Digital Libraries", "type": 1 }, { "tag": "Physics - Physics and Society", "type": 1 } ], "collections": [], "relations": {}, "dateAdded": "2017-06-09T06:59:16Z", "dateModified": "2017-06-09T06:59:16Z" } }, { "key": "FTV9492P", "version": 861, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/FTV9492P", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/FTV9492P", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/48210/items/3F76DFRD", "type": "application/json" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } }, "numChildren": 0 }, "data": { "key": "FTV9492P", "version": 861, "parentItem": "3F76DFRD", "itemType": "note", "note": "

Comment: 12 pages, 4 figures, 4 tables

", "tags": [], "relations": {}, "dateAdded": "2017-06-09T06:59:16Z", "dateModified": "2017-06-09T06:59:16Z" } }, { "key": "VNQARVZQ", "version": 861, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/VNQARVZQ", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/VNQARVZQ", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/48210/items/GTFWTQSZ", "type": "application/json" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } }, "numChildren": 0 }, "data": { "key": "VNQARVZQ", "version": 861, "parentItem": "GTFWTQSZ", "itemType": "attachment", "linkMode": "imported_url", "title": "arXiv:1706.02324 PDF", "accessDate": "2017-06-09T06:53:39Z", "url": "http://www.arxiv.org/pdf/1706.02324.pdf", "note": "", "contentType": "application/pdf", "charset": "", "filename": "Riolo et al. - 2017 - Efficient method for estimating the number of comm.pdf", "md5": null, "mtime": null, "tags": [], "relations": {}, "dateAdded": "2017-06-09T06:53:39Z", "dateModified": "2017-06-09T06:53:45Z" } }, { "key": "GCJ3E847", "version": 861, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/GCJ3E847", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/GCJ3E847", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/48210/items/GTFWTQSZ", "type": "application/json" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } } }, "data": { "key": "GCJ3E847", "version": 861, "parentItem": "GTFWTQSZ", "itemType": "attachment", "linkMode": "imported_url", "title": "arXiv.org Snapshot", "accessDate": "2017-06-09T06:53:40Z", "url": "https://arxiv.org/abs/1706.02324", "note": "", "contentType": "text/html", "charset": "utf-8", "filename": "1706.html", "md5": null, "mtime": null, "tags": [], "relations": {}, "dateAdded": "2017-06-09T06:53:40Z", "dateModified": "2017-06-09T06:53:40Z" } }, { "key": "B9PS8NDS", "version": 861, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/B9PS8NDS", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/B9PS8NDS", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/48210/items/GTFWTQSZ", "type": "application/json" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } }, "numChildren": 0 }, "data": { "key": "B9PS8NDS", "version": 861, "parentItem": "GTFWTQSZ", "itemType": "note", "note": "

Comment: 13 pages, 4 figures

", "tags": [], "relations": {}, "dateAdded": "2017-06-09T06:53:39Z", "dateModified": "2017-06-09T06:53:39Z" } }, { "key": "GTFWTQSZ", "version": 861, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/GTFWTQSZ", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/GTFWTQSZ", "type": "text/html" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } }, "creatorSummary": "Riolo et al.", "parsedDate": "2017-06-07", "numChildren": 3 }, "data": { "key": "GTFWTQSZ", "version": 861, "itemType": "journalArticle", "title": "Efficient method for estimating the number of communities in a network", "creators": [ { "creatorType": "author", "firstName": "Maria A.", "lastName": "Riolo" }, { "creatorType": "author", "firstName": "George T.", "lastName": "Cantwell" }, { "creatorType": "author", "firstName": "Gesine", "lastName": "Reinert" }, { "creatorType": "author", "firstName": "M. E. J.", "lastName": "Newman" } ], "abstractNote": "While there exist a wide range of effective methods for community detection in networks, most of them require one to know in advance how many communities one is looking for. Here we present a method for estimating the number of communities in a network using a combination of Bayesian inference with a novel prior and an efficient Monte Carlo sampling scheme. We test the method extensively on both real and computer-generated networks, showing that it performs accurately and consistently, even in cases where groups are widely varying in size or structure.", "publicationTitle": "arXiv:1706.02324 [physics]", "publisher": "", "place": "", "date": "2017-06-07", "volume": "", "issue": "", "section": "", "partNumber": "", "partTitle": "", "pages": "", "series": "", "seriesTitle": "", "seriesText": "", "journalAbbreviation": "", "DOI": "", "citationKey": "", "url": "http://arxiv.org/abs/1706.02324", "accessDate": "2017-06-09T06:53:39Z", "PMID": "", "PMCID": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "arXiv.org", "callNumber": "", "rights": "", "extra": "arXiv: 1706.02324", "tags": [ { "tag": "Computer Science - Social and Information Networks", "type": 1 }, { "tag": "Physics - Physics and Society", "type": 1 } ], "collections": [], "relations": {}, "dateAdded": "2017-06-09T06:53:39Z", "dateModified": "2017-06-09T06:53:39Z" } }, { "key": "DEBH69FR", "version": 860, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/DEBH69FR", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/DEBH69FR", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/48210/items/B73C2VZ5", "type": "application/json" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } }, "numChildren": 0 }, "data": { "key": "DEBH69FR", "version": 860, "parentItem": "B73C2VZ5", "itemType": "attachment", "linkMode": "imported_url", "title": "Full Text PDF", "accessDate": "2017-06-01T13:30:35Z", "url": "https://link.springer.com/content/pdf/10.1007%2Fs11192-017-2366-2.pdf", "note": "", "contentType": "application/pdf", "charset": "", "filename": "Meyer-Brötz et al. - 2017 - Experimental evaluation of parameter settings in c.pdf", "md5": null, "mtime": null, "tags": [], "relations": {}, "dateAdded": "2017-06-01T13:30:35Z", "dateModified": "2017-06-01T13:30:38Z" } }, { "key": "GA4CXQZP", "version": 860, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/GA4CXQZP", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/GA4CXQZP", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/48210/items/B73C2VZ5", "type": "application/json" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } } }, "data": { "key": "GA4CXQZP", "version": 860, "parentItem": "B73C2VZ5", "itemType": "attachment", "linkMode": "imported_url", "title": "Snapshot", "accessDate": "2017-06-01T13:30:35Z", "url": "https://link.springer.com/article/10.1007/s11192-017-2366-2/fulltext.html?wt_mc=alerts.TOCjournals", "note": "", "contentType": "text/html", "charset": "utf-8", "filename": "fulltext.html", "md5": null, "mtime": null, "tags": [], "relations": {}, "dateAdded": "2017-06-01T13:30:35Z", "dateModified": "2017-06-01T13:30:35Z" } }, { "key": "B73C2VZ5", "version": 860, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/B73C2VZ5", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/B73C2VZ5", "type": "text/html" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } }, "creatorSummary": "Meyer-Brötz et al.", "parsedDate": "2017-06-01", "numChildren": 2 }, "data": { "key": "B73C2VZ5", "version": 860, "itemType": "journalArticle", "title": "Experimental evaluation of parameter settings in calculation of hybrid similarities: effects of first- and second-order similarity, edge cutting, and weighting factors", "creators": [ { "creatorType": "author", "firstName": "Fabian", "lastName": "Meyer-Brötz" }, { "creatorType": "author", "firstName": "Edgar", "lastName": "Schiebel" }, { "creatorType": "author", "firstName": "Leo", "lastName": "Brecht" } ], "abstractNote": "The ongoing discussion in the bibliometric community about the best similarity measures has led to diverse insights. Although these insights are sometimes contradicting, there is one very consistent conclusion: Hybrid measures outperform the application of their singular components. While this initially answers the question as to what is the best similarity measure, it also raises issues which have been resolved in part for conventional similarity measures. Given this, in this study we investigate the impact of the right weighting factors, the appropriate level of edge cutting, the performance of first- in contrast to second-order similarities, and the interaction of these three parameters in the context of hybrid similarities. Building upon a dataset of over 8000 articles from the manufacturing engineering field and using different parameter settings we calculated over 100 similarity matrices. For each matrix we determined several cluster solutions of different resolution levels, ranging from 100 to 1000 clusters, and evaluated them quantitatively with the help of a textual coherence value based on the Jensen Shannon Divergence. We found that second-order hybrid similarity measures calculated with a weighting factor of 0.6 for the citation-based similarity and a reduction to only the strongest values yield the best clustering results. Furthermore, we found the assessed parameters to be highly interdependent, where for example hybrid first-order outperforms second-order when no edge cutting is applied. Given this, our results can serve the bibliometric community as a guideline for the appropriate application of hybrid measures.", "publicationTitle": "Scientometrics", "publisher": "", "place": "", "date": "2017/06/01", "volume": "111", "issue": "3", "section": "", "partNumber": "", "partTitle": "", "pages": "1307-1325", "series": "", "seriesTitle": "", "seriesText": "", "journalAbbreviation": "Scientometrics", "DOI": "10.1007/s11192-017-2366-2", "citationKey": "", "url": "https://link.springer.com/article/10.1007/s11192-017-2366-2", "accessDate": "2017-06-01T13:30:35Z", "PMID": "", "PMCID": "", "ISSN": "0138-9130, 1588-2861", "archive": "", "archiveLocation": "", "shortTitle": "Experimental evaluation of parameter settings in calculation of hybrid similarities", "language": "en", "libraryCatalog": "link.springer.com", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2017-06-01T13:30:35Z", "dateModified": "2017-06-01T13:30:35Z" } }, { "key": "U4PDRNM3", "version": 859, "library": { "type": "group", "id": 48210, "name": "research diversity", "links": { "alternate": { "href": "https://www.zotero.org/groups/research_diversity", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/48210/items/U4PDRNM3", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/research_diversity/items/U4PDRNM3", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/48210/items/PPCH3WEU", "type": "application/json" } }, "meta": { "createdByUser": { "id": 633529, "username": "Frank Havemann", "name": "Frank Havemann", "links": { "alternate": { "href": "https://www.zotero.org/frank_havemann", "type": "text/html" } } }, "numChildren": 0 }, "data": { "key": "U4PDRNM3", "version": 859, "parentItem": "PPCH3WEU", "itemType": "attachment", "linkMode": "imported_url", "title": "Full Text PDF", "accessDate": "2017-06-01T13:24:37Z", "url": "https://link.springer.com/content/pdf/10.1007%2Fs11192-017-2361-7.pdf", "note": "", "contentType": "application/pdf", "charset": "", "filename": "Sung et al. - 2017 - A visualization tool of patent topic evolution usi.pdf", "md5": null, "mtime": null, "tags": [], "relations": {}, "dateAdded": "2017-06-01T13:24:37Z", "dateModified": "2017-06-01T13:24:41Z" } } ]