-
Visser, P.; Bench-Capon, T.; Van den Herik, J.: ¬A method for conceptualising legal domains (1997)
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- Date
- 22. 1.1999 19:22:58
-
Hotho, A.; Bloehdorn, S.: Data Mining 2004 : Text classification by boosting weak learners based on terms and concepts (2004)
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- Content
- Vgl.: http://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&ved=0CEAQFjAA&url=http%3A%2F%2Fciteseerx.ist.psu.edu%2Fviewdoc%2Fdownload%3Fdoi%3D10.1.1.91.4940%26rep%3Drep1%26type%3Dpdf&ei=dOXrUMeIDYHDtQahsIGACg&usg=AFQjCNHFWVh6gNPvnOrOS9R3rkrXCNVD-A&sig2=5I2F5evRfMnsttSgFF9g7Q&bvm=bv.1357316858,d.Yms.
- Date
- 8. 1.2013 10:22:32
-
Jones, M.; Buchanan, G.; Cheng, T.-C.; Jain, P.: Changing the pace of search : supporting background information seeking (2006)
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- Date
- 22. 7.2006 18:37:49
-
Swartzberg, T.: Identifying and spreading expertise : The knowledge manager's brief: to disseminate a company's data and the know-how of its staff (1999)
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- Date
- 29.11.1999 12:18:22
- Source
- International Herald Tribune. 15. Nov. 1999, S.22
-
Boldi, P.; Santini, M.; Vigna, S.: PageRank as a function of the damping factor (2005)
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- Abstract
- PageRank is defined as the stationary state of a Markov chain. The chain is obtained by perturbing the transition matrix induced by a web graph with a damping factor alpha that spreads uniformly part of the rank. The choice of alpha is eminently empirical, and in most cases the original suggestion alpha=0.85 by Brin and Page is still used. Recently, however, the behaviour of PageRank with respect to changes in alpha was discovered to be useful in link-spam detection. Moreover, an analytical justification of the value chosen for alpha is still missing. In this paper, we give the first mathematical analysis of PageRank when alpha changes. In particular, we show that, contrarily to popular belief, for real-world graphs values of alpha close to 1 do not give a more meaningful ranking. Then, we give closed-form formulae for PageRank derivatives of any order, and an extension of the Power Method that approximates them with convergence O(t**k*alpha**t) for the k-th derivative. Finally, we show a tight connection between iterated computation and analytical behaviour by proving that the k-th iteration of the Power Method gives exactly the PageRank value obtained using a Maclaurin polynomial of degree k. The latter result paves the way towards the application of analytical methods to the study of PageRank.
- Date
- 16. 1.2016 10:22:28
-
Localist connectionist approaches to human cognition (1998)
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- Content
- Enthält die Beiträge: GRAINGER, J. u. A.M. JACOBS: On localist connectionism and psychological science; HOUGHTON, G. u. S.P. TIPPER: A model of selective attention as a mechanism of cognitive model; BURTON, A.M.: A model of human face recognition; FRAUENFELDER, U.H. u. G. PEETERS: Simulating the time course of spoken word recognition: an analysis of lexical competition in TRACE; JACOBS, A.M. u.a.: MROM-p: an interactive activation, multiple readabout model of orthographic and phonological processes in visual word recognition; DIJKSTRA, T. u. W.J.B. van HEUVEN: The BIA model and bilingual word recognition; PAGE, M. u. D. NORRIS: Modeling immediate serial recall with a localist implementation of the primacy model; SCHADE, U. u. H.-J. EIKMEYER: Modeling the production of object spectifications; GOLDSTONE, R.L.: Hanging together: a connectionist model of similarity; MYUNG, J. u. A.A. PITT: Issues in selecting mathematical models of cognition
- Date
- 1. 6.1999 19:50:22
-
Nicholson, S.; Sierra, T.; Eseryel, U.Y.; Park, J.-H.; Barkow, P.; Pozo, E.J.; Ward, J.: How much of it is real? : analysis of paid placement in Web search engine results (2006)
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- Date
- 22. 7.2006 16:32:57
-
Osinska, V.; Bala, P.: New methods for visualization and improvement of classification schemes : the case of computer science (2010)
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- Abstract
- Generally, Computer Science (CS) classifications are inconsistent in taxonomy strategies. t is necessary to develop CS taxonomy research to combine its historical perspective, its current knowledge and its predicted future trends - including all breakthroughs in information and communication technology. In this paper we have analyzed the ACM Computing Classification System (CCS) by means of visualization maps. The important achievement of current work is an effective visualization of classified documents from the ACM Digital Library. From the technical point of view, the innovation lies in the parallel use of analysis units: (sub)classes and keywords as well as a spherical 3D information surface. We have compared both the thematic and semantic maps of classified documents and results presented in Table 1. Furthermore, the proposed new method is used for content-related evaluation of the original scheme. Summing up: we improved an original ACM classification in the Computer Science domain by means of visualization.
- Date
- 22. 7.2010 19:36:46
-
Huang, M.-H.; Huang, W.-T.; Chang, C.-C.; Chen, D. Z.; Lin, C.-P.: The greater scattering phenomenon beyond Bradford's law in patent citation (2014)
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- Date
- 22. 8.2014 17:11:29
-
Gillman, P.: Assessing customer requirements (1994)
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- Issue
- T.1-3.
- Source
- TIP applications. (T.1); 8(1994) no.3, S.9-12 (T.2); 8(1994) no.4, S.11-13 (T.3)
-
Zhang, L.; Pan, Y.; Zhang, T.: Focused named entity recognition using machine learning (2004)
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- Date
- 15.10.2005 19:57:22
-
Jascó, P.: Searching for images by similarity online (1998)
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- Date
- 29.11.2004 13:03:22
- Source
- Online. 22(1998) no.6, S.99-102
-
Kleineberg, M.: Context analysis and context indexing : formal pragmatics in knowledge organization (2014)
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- Source
- http://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&ved=0CDQQFjAE&url=http%3A%2F%2Fdigbib.ubka.uni-karlsruhe.de%2Fvolltexte%2Fdocuments%2F3131107&ei=HzFWVYvGMsiNsgGTyoFI&usg=AFQjCNE2FHUeR9oQTQlNC4TPedv4Mo3DaQ&sig2=Rlzpr7a3BLZZkqZCXXN_IA&bvm=bv.93564037,d.bGg&cad=rja
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Chou,T.-C.; Chang, P.-L.; Tsai, C.-T.; Cheng, Y.-P.: lnternal learning climate, knowledge management process and perceived knowledge management satisfaction (2005)
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-
Library of Congress Classification Schedules. A cumulation of additions and changes, 1974-1975 (1976)
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- Content
- A. General Works. Polygraphy 1 // B. Philosophy and Religion. P. 1.2. // 1. B-BJ: Philosophy 2 // 2. BL - BX: Religion 3 // C. Auxilary sciences of history 4 // D. History. General and old world 5 // E-F. History. America 6 // H. Social Sciences 7 // J. Political Science 8 // K. Law // KD: Law of the United Kingdom and Ireland 9 // KF: Law of the United States 10 // L. Education 11 // M. Music and books on music 12 // N. Fine Arts 13 // P. Philology and Literature // P-PA: Philology, Linguistics, Classical philology, Classical literature 14 // PA, Suppl. Byzantine and modern Greek literature, Medieval and modern Latin literature 15 // PB-PH: Modern European languages 16 // PG (in part) Russian literature 17 // PJ-PM: Languages and literatures of Asia, Africa, Oceania, America, Mixed languages, Artificial languages 18 // P-PM, Suppl. Index to languages and dialects 19 // PN, PR, PS, PZ: Literature /general), English and American literatures, Fiction in English, Juvenile literature 20 // PQ. 1.: French literature 21 // PQ. 2.: Italian, Spanish and Portuguese literatures 22 // PT. 1.: German literature 23 // PT. 2.: Dutch and Scandinavian literatures 24 // Q. Science 25 // R. Medicine 26 // S. Agriculture, plant and animal industry, fish culture and fisheries, Hunting sports 27 // T. Technology 28 U. Military Science 29 // V. Naval Science 30 // Z. Bibliography and Library Science 31
-
Ravana, S.D.; Taheri, M.S.; Rajagopal, P.: Document-based approach to improve the accuracy of pairwise comparison in evaluating information retrieval systems (2015)
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- Abstract
- Purpose The purpose of this paper is to propose a method to have more accurate results in comparing performance of the paired information retrieval (IR) systems with reference to the current method, which is based on the mean effectiveness scores of the systems across a set of identified topics/queries. Design/methodology/approach Based on the proposed approach, instead of the classic method of using a set of topic scores, the documents level scores are considered as the evaluation unit. These document scores are the defined document's weight, which play the role of the mean average precision (MAP) score of the systems as a significance test's statics. The experiments were conducted using the TREC 9 Web track collection. Findings The p-values generated through the two types of significance tests, namely the Student's t-test and Mann-Whitney show that by using the document level scores as an evaluation unit, the difference between IR systems is more significant compared with utilizing topic scores. Originality/value Utilizing a suitable test collection is a primary prerequisite for IR systems comparative evaluation. However, in addition to reusable test collections, having an accurate statistical testing is a necessity for these evaluations. The findings of this study will assist IR researchers to evaluate their retrieval systems and algorithms more accurately.
- Date
- 20. 1.2015 18:30:22
-
Saracevic, T.; Kantor, P.: ¬A study of information seeking and retrieving : pt.2: users, questions, and effectiveness (1988)
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- Abstract
- s. Abstract von T.1
-
Saracevic, T.; Kantor, P.: ¬A study of information seeking and retrieving : pt.3: searchers, searches, and overlap (1988)
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- Abstract
- s. Abstract von T.1
-
Jeng, B.C.; Ljang, T.-P.: Fuzzy indexing and retrieval in case-based systems (1995)
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-
Koltay, T.: ¬A hypertext tutorial on abstracting for library science students (1995)
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- Date
- 27. 1.1996 18:22:06
