-
Changeux, J.-P.: ¬Die Revolution in der Gehirnforschung (2003)
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- Series
- 25 Jahre Spektrum der Wissenschaft; T.3: Gehirnforschung
- Source
- Spektrum der Wissenschaft. 2003, H.3, S.22-27
-
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
-
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
-
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
-
Weitzel, T.; Harder, T.; Busmann, P.: Electronic business und EDI mit XML (2001)
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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
-
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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-
Bürger, T.: Informationszentrum? Forschungsbibliothek? Dienstleister? : Zum Strukturwandel wissenschaftlicher Bibliotheken (2006)
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- Date
- 4. 3.2006 16:29:22
-
Eggeling, T.; Kroschel, A.: Alles finden im Web (2000)
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- Date
- 9. 7.2000 14:06:22
-
Seminario FRBR : Functional Requirements for Bibliographic Records: reguisiti funzionali per record bibliografici, Florence, 27-28 January 2000, Proceedings (2000)
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- Content
- Enthält u.a.: Grimaldi, T.: The object of cataloguing; Byrum, J.D., O.M.A. Madison: Reflections an the goals, concepts and recommendations of the IFLA study an Functional Requirements of Bibliographic Records;
- Date
- 29. 8.2005 12:54:22
-
Wissensgenese, Wissensteilung und Wissensorganisation in der Arbeitspraxis (2003)
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- Editor
- Herrmann, T., P. Mambrey u. K. Shire
-
Spinazze, A.T.; Willey, P.; Gill, T.: CIMI Consortium : the organization of museum intelligence (2001)
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Zschunke, P.; Svensson, P.: Bücherbrett für alle Fälle : Geräte-Speicher fassen Tausende von Seiten (2000)
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- Date
- 3. 5.1997 8:44:22
18. 6.2000 9:11:22
-
Burrell, Q.L.: Predicting future citation behavior (2003)
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- Abstract
- In this article we further develop the theory for a stochastic model for the citation process in the presence of obsolescence to predict the future citation pattern of individual papers in a collection. More precisely, we investigate the conditional distribution-and its mean- of the number of citations to a paper after time t, given the number of citations it has received up to time t. In an important parametric case it is shown that the expected number of future citations is a linear function of the current number, this being interpretable as an example of a success-breeds-success phenomenon.
- Date
- 29. 3.2003 19:22:48
-
Becker, H.-G.; Lemanski, T.; Ziebarth, T.: Web 1.0 - 4.0 : Zwischen Reparaturbetrieb und ferner Vision (2008)
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- Date
- 22. 6.2008 17:20:09
-
Blumauer, A.; Pellegrini, T.: Semantic Web Revisited : Eine kurze Einführung in das Social Semantic Web (2009)
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- Pages
- S.3-22
- Source
- Social Semantic Web: Web 2.0, was nun? Hrsg.: A. Blumauer u. T. Pellegrini
-
Paolini, P.; Barbieri, T.; Loiudice, P.; Alonzo, F.; Zanti, M.; Gaia, G.: Visiting a museum together : how to share a visit to a virtual world (2000)
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-
Gardner, T.; Iannella, R.: Architecture and software solutions (2000)
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- Date
- 22. 6.2002 19:38:24
-
Dambeck, H.; Engler, T.: Gesucht und gefunden : Neun Volltext-Suchprogramme für den Desktop (2002)
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- Source
- c't. 2002, H.22, S.190-197
