Search (36024 results, page 1802 of 1802)
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Chowdhury, G.: Carbon footprint of the knowledge sector : what's the future? (2010)
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- Abstract
- Purpose - The purpose of this paper is to produce figures showing the carbon footprint of the knowledge industry - from creation to distribution and use of knowledge, and to provide comparative figures for digital distribution and access. Design/methodology/approach - An extensive literature search and environmental scan was conducted to produce data relating to the CO2 emissions from various industries and activities such as book and journal production, photocopying activities, information technology and the internet. Other sources such as the International Energy Agency (IEA), Carbon Monitoring for Action (CARMA ), Copyright Licensing Agency, UK (CLA), Copyright Agency Limited, Australia (CAL), etc., have been used to generate emission figures for production and distribution of print knowledge products versus digital distribution and access. Findings - The current practices for production and distribution of printed knowledge products generate an enormous amount of CO2. It is estimated that the book industry in the UK and USA alone produces about 1.8 million tonnes and about 11.27 million tonnes of CO2 respectively. CO2 emission for the worldwide journal publishing industry is estimated to be about 12 million tonnes. It is shown that the production and distribution costs of digital knowledge products are negligible compared to the environmental costs of production and distribution of printed knowledge products. Practical implications - Given the astounding emission figures for production and distribution of printed knowledge products, and the associated activities for access and distribution of these products, for example, emissions from photocopying activities permitted within the provisions of statutory licenses provided by agencies like CLA, CAL, etc., it is proposed that a digital distribution and access model is the way forward, and that such a system will be environmentally sustainable. Originality/value - It is expected that the findings of this study will pave the way for further research and this paper will be extremely helpful for design and development of the future knowledge distribution and access systems.
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Bianchini, D.; Antonellis, V. De: Linked data services and semantics-enabled mashup (2012)
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- Abstract
- The Web of Linked Data can be seen as a global database, where resources are identified through URIs, are self-described (by means of the URI dereferencing mechanism), and are globally connected through RDF links. According to the Linked Data perspective, research attention is progressively shifting from data organization and representation to linkage and composition of the huge amount of data available on the Web. For example, at the time of this writing, the DBpedia knowledge base describes more than 3.5 million things, conceptualized through 672 million RDF triples, with 6.5 million external links into other RDF datasets. Useful applications have been provided for enabling people to browse this wealth of data, like Tabulator. Other systems have been implemented to collect, index, and provide advanced searching facilities over the Web of Linked Data, such as Watson and Sindice. Besides these applications, domain-specific systems to gather and mash up Linked Data have been proposed, like DBpedia Mobile and Revyu . corn. DBpedia Mobile is a location-aware client for the semantic Web that can be used on an iPhone and other mobile devices. Based on the current GPS position of a mobile device, DBpedia Mobile renders a map indicating nearby locations from the DBpedia dataset. Starting from this map, the user can explore background information about his or her surroundings. Revyu . corn is a Web site where you can review and rate whatever is possible to identify (through a URI) on the Web. Nevertheless, the potential advantages implicit in the Web of Linked Data are far from being fully exploited. Current applications hardly go beyond presenting together data gathered from different sources. Recently, research on the Web of Linked Data has been devoted to the study of models and languages to add functionalities to the Web of Linked Data by means of Linked Data services.
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Falavarjani, S.A.M.; Jovanovic, J.; Fani, H.; Ghorbani, A.A.; Noorian, Z.; Bagheri, E.: On the causal relation between real world activities and emotional expressions of social media users (2021)
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- Abstract
- Social interactions through online social media have become a daily routine of many, and the number of those whose real world (offline) and online lives have become intertwined is continuously growing. As such, the interplay of individuals' online and offline activities has been the subject of numerous research studies, the majority of which explored the impact of people's online actions on their offline activities. The opposite direction of impact-the effect of real-world activities on online actions-has also received attention but to a lesser degree. To contribute to the latter form of impact, this paper reports on a quasi-experimental design study that examined the presence of causal relations between real-world activities of online social media users and their online emotional expressions. To this end, we have collected a large dataset (over 17K users) from Twitter and Foursquare, and systematically aligned user content on the two social media platforms. Users' Foursquare check-ins provided information about their offline activities, whereas the users' expressions of emotions and moods were derived from their Twitter posts. Since our study was based on a quasi-experimental design, to minimize the impact of covariates, we applied an innovative model of computing propensity scores. Our main findings can be summarized as follows: (a) users' offline activities do impact their affective expressions, both of emotions and moods, as evidenced in their online shared textual content; (b) the impact depends on the type of offline activity and if the user embarks on or abandons the activity. Our findings can be used to devise a personalized recommendation mechanism to help people better manage their online emotional expressions.
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Frey, J.; Streitmatter, D.; Götz, F.; Hellmann, S.; Arndt, N.: DBpedia Archivo (2020)
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- Content
- # How does Archivo work? Each week Archivo runs several discovery algorithms to scan for new ontologies. Once discovered Archivo checks them every 8 hours. When changes are detected, Archivo downloads and rates and archives the latest snapshot persistently on the DBpedia Databus. # Archivo's mission Archivo's mission is to improve FAIRness (findability, accessibility, interoperability, and reusability) of all available ontologies on the Semantic Web. Archivo is not a guideline, it is fully automated, machine-readable and enforces interoperability with its star rating. - Ontology developers can implement against Archivo until they reach more stars. The stars and tests are designed to guarantee the interoperability and fitness of the ontology. - Ontology users can better find, access and re-use ontologies. Snapshots are persisted in case the original is not reachable anymore adding a layer of reliability to the decentral web of ontologies.
Authors
- Thelwall, M. 114
- Gödert, W. 106
- Stock, W.G. 85
- Hjoerland, B. 83
- Leydesdorff, L. 82
- Smiraglia, R.P. 72
- Spink, A. 65
- Dahlberg, I. 60
- Chen, H. 59
- Kuhlen, R. 54
- Lehmann, K. 54
- Egghe, L. 53
- Bornmann, L. 51
- Lewandowski, D. 51
- Zumer, M. 50
- Rousseau, R. 49
- Fugmann, R. 48
- Jascó, P. 47
- Oberhauser, O. 46
- Tenopir, C. 45
- Ding, Y. 43
- Ford, N. 43
- Chan, L.M. 42
- Zhang, Y. 42
- Satija, M.P. 41
- Geißelmann, F. 40
- Wersig, G. 40
- Bawden, D. 39
- Gnoli, C. 39
- Sandner, M. 39
- Williamson, N.J. 39
- Ohly, H.P. 37
- Vizine-Goetz, D. 37
- Nicholas, D. 36
- Studwell, W.E. 36
- Wiesenmüller, H. 36
- Cole, C. 35
- Umstätter, W. 35
- Zeng, M.L. 35
- Cronin, B. 34
- Green, R. 34
- Heiner-Freiling, M. 34
- Järvelin, K. 34
- Olson, H.A. 34
- Savolainen, R. 34
- Mayr, P. 33
- Bar-Ilan, J. 32
- Broughton, V. 32
- Lepsky, K. 32
- Mitchell, J.S. 32
- Nohr, H. 32
- Tudhope, D. 32
- Bates, M.J. 31
- Jansen, B.J. 31
- Lancaster, F.W. 31
- Salton, G. 31
- Soergel, D. 31
- Willett, P. 31
- Wolfram, D. 31
- Krause, J. 30
- Larivière, V. 30
- McIlwaine, I.C. 30
- Oßwald, A. 30
- Rötzer, F. 30
- Saracevic, T. 30
- Svenonius, E. 30
- Zhang, J. 30
- Borgman, C.L. 29
- Oppenheim, C. 29
- Pejtersen, A.M. 29
- Rowley, J. 29
- Szostak, R. 29
- Vakkari, P. 29
- dpa 29
- Beghtol, C. 28
- Eversberg, B. 28
- Martínez-Ávila, D. 28
- Tennis, J.T. 28
- Wille, R. 28
- Womser-Hacker, C. 28
- Furner, J. 27
- Jacob, E.K. 27
- Kousha, K. 27
- O'Neill, E.T. 27
- Belkin, N.J. 26
- Bredemeier, W. 26
- Chen, C. 26
- Drabenstott, K.M. 26
- Koch, T. 26
- Lorenz, B. 26
- Münnich, M. 26
- Robertson, S.E. 26
- Robinson, L. 26
- Ruthven, I. 26
- Staud, J.L. 26
- Capurro, R. 25
- Croft, W.B. 25
- Fuhr, N. 25
- Marchionini, G. 25
- Rösch, H. 25
- More… Less…
Years
Languages
Types
Themes
- Internet 3230
- Formalerschließung 1734
- Informationsdienstleistungen 1671
- Informetrie 1249
- Informationsmittel 1118
- Information 1115
- OPAC 1018
- Suchmaschinen 947
- Computerlinguistik 666
- Elektronisches Publizieren 651
- Information Resources Management 599
- Metadaten 556
- Wissensrepräsentation 551
- Bibliographie 536
- Benutzerstudien 520
- Retrievalstudien 400
- Hypertext 386
- Regeln für den Schlagwortkatalog (RSWK) 378
- Suchoberflächen 361
- Konzeption und Anwendung des Prinzips Thesaurus 358
- Automatisches Indexieren 357
- Ausbildung 333
- Datenformate 330
- Retrievalalgorithmen 318
- Semantic Web 308
- Semantische Interoperabilität 305
- Katalogfragen allgemein 297
- Information Gateway 291
- Klassifikationssysteme im Online-Retrieval 273
- Multilinguale Probleme 270
- Semantisches Umfeld in Indexierung u. Retrieval 269
- Suchtaktik 263
- Dokumentenmanagement 254
- Literaturübersicht 251
- Computer Based Training 249
- Multimedia 242
- Rechtsfragen 229
- Klassifikationstheorie: Elemente / Struktur 228
- Bibliographische Software 227
- Citation indexing 227
- Normdateien 204
- Register 197
- Automatisches Klassifizieren 196
- Begriffstheorie 190
- Visualisierung 177
- Grundlagen u. Einführungen: Allgemeine Literatur 176
- Schöne Literatur 160
- Data Mining 158
- Vision 151
- Geschichte der Sacherschließung 144
- Social tagging 144
- International bedeutende Universalklassifikationen 140
- Geschichte der Kataloge 138
- Geschichte der Klassifikationssysteme 134
- Informationsethik 134
- Verbale Doksprachen im Online-Retrieval 133
- Inhaltsanalyse 130
- Biographische Darstellungen 126
- Verbale Doksprachen für präkombinierte Einträge 121
- Datenfernübertragung 119
- Klassifikationssysteme 117
- Theorie verbaler Dokumentationssprachen 113
- Automatisches Abstracting 105
- Verteilte bibliographische Datenbanken 97
- Aufstellungssysteme Öffentlicher Bibliotheken 93
- Universale Facettenklassifikationen 93
- Volltextretrieval 92
- Bestandsaufstellung 85
- Kataloganreicherung 82
- Referieren 78
- Thesauri 76
- Indexierungsstudien 75
- Regelwerke 73
- Formale Begriffsanalyse 71
- Intranet 65
- Aufstellungssysteme Wissenschaftl. Bibliotheken 52
- Folksonomies 52
- Objektdokumentation 51
- Linguistik 47
- Beziehungen verbale / systematische Erschließung 44
- Web-Agenten 43
- Auszeichnungssprachen 39
- Preserved Context Index System (PRECIS) 38
- Schlagwortkatalog 34
- Geschichte des Schlagwortkataloges 32
- Notationen / Signaturen 27
- Warenklassifikation 24
- Bilder 22
- Case Based Reasoning 22
- Retrievalsprachen 20
- Altes Buch 19
- Sprachretrieval 17
- Systematischer Katalog 13
- Content Management System 12
- Elektronische Dokumente 12
- IRM 6
- Psychologische Tests 2
- Citation Indexing 1
- INTERNET 1
- Musikalien 1
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Subjects
- Information retrieval 37
- Information storage and retrieval systems 32
- Knowledge management 24
- Indexing 22
- Information science 19
- Semantic Web 19
- Artificial intelligence 18
- Information organization 18
- Information society 18
- Computer science 17
- Database management 17
- Information technology 17
- Internet 15
- Information services 14
- Information Retrieval 12
- Information technology / Social aspects 12
- Knowledge, Theory of 12
- Subject headings 12
- Classification / Books 11
- Internet (Computer network) 11
- Künstliche Intelligenz 11
- Web search engines 11
- Consciousness 10
- Data mining 10
- Digital libraries 10
- Information retrieval / Use of / On-line computers 10
- Internet / Suchmaschine (21) 10
- Multimedia systems 10
- Bewusstsein 9
- Cataloging 9
- Computational linguistics 9
- Information behavior 9
- Information storage and retrieval 9
- Internet / Online-Recherche (21) 9
- User interfaces (Computer systems) 9
- Abstracting 8
- Cognition 8
- Internet searching 8
- Knowledge, Sociology of 8
- Management information systems 8
- Metadata 8
- Text processing (Computer science) 8
- Wissenschaftstheorie 8
- Classification 7
- Computers / Networks 7
- Digital libraries / Congresses 7
- Electronic books 7
- Erkenntnistheorie 7
- Human / computer interaction 7
- Information 7
- Information theory 7
- Informationsmanagement 7
- Libraries and the Internet 7
- Library science 7
- Science / Philosophy 7
- Bibliothek 6
- Information resources management 6
- Informationsgesellschaft 6
- Inhaltserschließung 6
- Internet / Social aspects 6
- Mensch-Maschine-Kommunikation 6
- Ontologies (Information retrieval) 6
- Philosophy 6
- Reference books / Bibliography 6
- Reference services (Libraries) 6
- World Wide Web (Information retrieval system) 6
- Bibliothek / Wörterbuch 5
- Communication 5
- Computer Communication Networks 5
- Computer Science 5
- Computers 5
- Great Britain 5
- Information Storage and Retrieval 5
- Information systems 5
- Information technology / Management 5
- Informations- und Dokumentationswissenschaft 5
- Knowledge representation (Information theory) 5
- Libraries / Automation 5
- Libraries / Reference services 5
- Linked data 5
- Mind and body 5
- Online bibliographic searching 5
- Ontologie <Wissensverarbeitung> 5
- Philosophy of Mind 5
- Science / History 5
- Semantics 5
- Subject cataloging 5
- Subject classification 5
- Subject indexing 5
- System design 5
- Technik / Thesaurus 5
- Technik / Thesaurus / CD-ROM 5
- Wissensorganisation 5
- World Wide Web 5
- XML (Document markup language) 5
- Bibliometrics 4
- Brain 4
- Brain / Physiology 4
- Brain / physiology 4
- Buch / Wörterbuch 4
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Classifications
- 06.74 / Informationssysteme 64
- 06.70 / Katalogisierung / Bestandserschließung 47
- 025.04 37
- 05.38 / Neue elektronische Medien <Kommunikationswissenschaft> 26
- 54.72 / Künstliche Intelligenz 26
- 06.74 Informationssysteme 25
- ST 205 23
- ST 300 23
- 020 22
- 06.35 / Informationsmanagement 22
- 54.32 / Rechnerkommunikation 22
- CC 4400 22
- MS 7965 22
- CC 6600 21
- ST 270 21
- ST 515 21
- 06.30 / Bibliothekswesen / Dokumentationswesen: Allgemeines 20
- AN 95000 19
- 06.54 / Bibliotheksautomatisierung 18
- 06.74 (Informationssysteme) 18
- 08.32 / Erkenntnistheorie 17
- 18.00 Einzelne Sprachen und Literaturen allgemein 17
- QP 345 17
- 05.20 / Kommunikation und Gesellschaft 16
- 06.35 Informationsmanagement 16
- CP 4000 15
- QP 345 Wirtschaftswissenschaften / Allgemeine Betriebswirtschaftslehre / Unternehmensführung / Organisation / Informationswesen. Informationssysteme 15
- 025.3 14
- 06.70 Katalogisierung 14
- 85.20 / Betriebliche Information und Kommunikation 14
- MS 6950 14
- TZH (HA) 14
- 02.02 / Wissenschaftstheorie 13
- 025.04 / DDC22ger 13
- 05.20 Kommunikation und Gesellschaft 13
- 08.25 Zeitgenössische westliche Philosophie 13
- 300 13
- 54.08 Informatik in Beziehung zu Mensch und Gesellschaft 13
- 54.64 / Datenbanken 13
- ST 285 13
- TVK (FH K) 13
- 06.00 / Information und Dokumentation: Allgemeines 12
- 08.25 / Zeitgenössische westliche Philosophie 12
- AWU (DU) 12
- Ah 12
- Al 12
- ST 252 12
- TVV (DU) 12
- TYP (HA) 12
- 004 11
- 08.32 Erkenntnistheorie 11
- 08.36 (Philosophische Anthropologie) 11
- 54.72 (Künstliche Intelligenz) 11
- 77.50 / Psychophysiologie 11
- AP 18420 11
- AllgEnz 11
- BCA (FH K) 11
- CC 4800 11
- CC 5200 11
- SR 850 11
- ST 200 Informatik / Monographien / Vernetzung, verteilte Systeme / Allgemeines, Netzmanagement 11
- TWY (DU) 11
- ZZV (W) 11
- 025.32 10
- 08.36 Philosophische Anthropologie 10
- 44.90 / Neurologie 10
- AN 93000 10
- Af 10
- CC 3200 Philosophie / Systematische Philosophie / Allgemeine Wissenschaftstheorie / Abhandlungen zur allgemeinen Wissenschaftstheorie 10
- FachNSW 10
- ST 306 10
- TWP (DU) 10
- 02.13 Wissenschaftspraxis 9
- 05.38 Neue elektronische Medien <Kommunikationswissenschaft> 9
- 06.30 Bibliothekswesen 9
- 100 9
- 17.56 Semantik 9
- 54.08 (Informatik in Beziehung zu Mensch und Gesellschaft) 9
- 54.08 / Informatik in Beziehung zu Mensch und Gesellschaft 9
- 54.65 / Webentwicklung / Webanwendungen 9
- 54.87 / Multimedia 9
- 71.43 Technologische Faktoren Soziologie 9
- AN 95100 9
- AllgNSW 9
- CC 7700 9
- HM851 9
- KiJu 9
- PZY (DU) 9
- TVV (PB) 9
- TWP (PB) 9
- TWPN (SI) 9
- Z665 9
- 025.524 8
- 05.38 (Neue elektronische Medien) <Kommunikationswissenschaft> 8
- 06.35 (Informationsmanagement) 8
- 06.60 / Bibliotheksbenutzung 8
- 08.25 (Zeitgenössische westliche Philosophie) 8
- 08.32 (Erkenntnistheorie) 8
- 08.38 Ethik 8
- 18.00 / Einzelne Sprachen und Literaturen allgemein 8
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