04283nam 2200685 450 991045996590332120200520144314.01-78063-472-2(CKB)3710000000251795(EBL)1810434(SSID)ssj0001374289(PQKBManifestationID)11978795(PQKBTitleCode)TC0001374289(PQKBWorkID)11323751(PQKB)11468406(MiAaPQ)EBC1810434(PPN)198686994(Au-PeEL)EBL1810434(CaPaEBR)ebr10949700(CaONFJC)MIL649683(OCoLC)892799163(EXLCZ)99371000000025179520141016h20142014 uy 0engur|n|---|||||txtccrAcademic search engines a quantitative outlook /José Luis OrtegaOxford, England :Chandos Publishing,2014.©20141 online resource (221 p.)Chandos Information Professional SeriesDescription based upon print version of record.1-84334-791-1 1-322-18419-4 Includes bibliographical references and index.Cover; Academic Search Engines: A quantitative outlook; Copyright; Dedication; Contents; List of figures and tables; Figures; Tables; Preface; About the author; 1 Introduction; What is an academic search engine?; Challenges for an academic search engine; The evolution of academic search engines; Future perspectives; 2 CiteSeerx: a scientific engine for scientists; Autonomous citation indexing; A focus on computer science; A searchable digital library; Searching for authors and citations; Parsing mistakes; Other 'Seers': the CiteSeerx lab; A pioneer in citation indexing3 Scirus: a multi-source searcherWeb pages and authoritative sources; Crawling and data extraction; Source filtering; Ranking on links; A missed opportunity; 4 AMiner: science networking as an information source; A networked engine; A chaotic design; Based on bibliographic databases; Searching only in documents; Exhaustive author profiles; PatentMiner; A half-academic search engine; 5 Microsoft Academic Search: the multi-object engine; The object-level vertical search engine; Slow content updating speed; Filtering across the directory; A multidimensional rankingA composition based on profilesVisualization: graphs as research assessment tools; More a directory than an engine; 6 Google Scholar: on the shoulders of a giant; A specialization of Google; Feeding back its own sources; The opacity of results; Google Scholar's additional services; The most exhaustive academic search engine; 7 Other academic search engines; BASE; Q-Sensei Scholar; WorldWideScience; 8 A comparative analysis; Functioning; Structure; Coverage; Searching; A heterogeneous sample; 9 Final remarks; References; IndexAcademic Search Engines: intends to run through the current panorama of the academic search engines through a quantitative approach that analyses the reliability and consistence of these services. The objective is to describe the main characteristics of these engines, to highlight their advantages and drawbacks, and to discuss the implications of these new products in the future of scientific communication and their impact on the research measurement and evaluation. In short, Academic Search Engines presents a summary view of the new challenges that the Web set to the scientific activity throChandos information professional series.Web search enginesEvaluationInternet researchScholarly Web sitesResearchEvaluationData processingElectronic books.Web search enginesEvaluation.Internet research.Scholarly Web sites.ResearchEvaluationData processing.025.04Ortega José Luis880537MiAaPQMiAaPQMiAaPQBOOK9910459965903321Academic search engines1976804UNINA