-
Hotho, A.; Bloehdorn, S.: Data Mining 2004 : Text classification by boosting weak learners based on terms and concepts (2004)
0.07
0.07178975 = sum of:
0.053525783 = product of:
0.21410313 = sum of:
0.21410313 = weight(_text_:3a in 562) [ClassicSimilarity], result of:
0.21410313 = score(doc=562,freq=2.0), product of:
0.3809542 = queryWeight, product of:
8.478011 = idf(docFreq=24, maxDocs=44218)
0.044934385 = queryNorm
0.56201804 = fieldWeight in 562, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
8.478011 = idf(docFreq=24, maxDocs=44218)
0.046875 = fieldNorm(doc=562)
0.25 = coord(1/4)
0.018263966 = product of:
0.03652793 = sum of:
0.03652793 = weight(_text_:22 in 562) [ClassicSimilarity], result of:
0.03652793 = score(doc=562,freq=2.0), product of:
0.15735255 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044934385 = queryNorm
0.23214069 = fieldWeight in 562, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=562)
0.5 = coord(1/2)
- 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
-
Cathey, R.J.; Jensen, E.C.; Beitzel, S.M.; Frieder, O.; Grossman, D.: Exploiting parallelism to support scalable hierarchical clustering (2007)
0.03
0.031243661 = product of:
0.062487323 = sum of:
0.062487323 = product of:
0.124974646 = sum of:
0.124974646 = weight(_text_:o in 448) [ClassicSimilarity], result of:
0.124974646 = score(doc=448,freq=8.0), product of:
0.22544876 = queryWeight, product of:
5.017288 = idf(docFreq=795, maxDocs=44218)
0.044934385 = queryNorm
0.55433726 = fieldWeight in 448, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
5.017288 = idf(docFreq=795, maxDocs=44218)
0.0390625 = fieldNorm(doc=448)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Abstract
- A distributed memory parallel version of the group average hierarchical agglomerative clustering algorithm is proposed to enable scaling the document clustering problem to large collections. Using standard message passing operations reduces interprocess communication while maintaining efficient load balancing. In a series of experiments using a subset of a standard Text REtrieval Conference (TREC) test collection, our parallel hierarchical clustering algorithm is shown to be scalable in terms of processors efficiently used and the collection size. Results show that our algorithm performs close to the expected O(n**2/p) time on p processors rather than the worst-case O(n**3/p) time. Furthermore, the O(n**2/p) memory complexity per node allows larger collections to be clustered as the number of nodes increases. While partitioning algorithms such as k-means are trivially parallelizable, our results confirm those of other studies which showed that hierarchical algorithms produce significantly tighter clusters in the document clustering task. Finally, we show how our parallel hierarchical agglomerative clustering algorithm can be used as the clustering subroutine for a parallel version of the buckshot algorithm to cluster the complete TREC collection at near theoretical runtime expectations.
-
Ruocco, A.S.; Frieder, O.: Clustering and classification of large document bases in a parallel environment (1997)
0.02
0.021870563 = product of:
0.043741126 = sum of:
0.043741126 = product of:
0.08748225 = sum of:
0.08748225 = weight(_text_:o in 1661) [ClassicSimilarity], result of:
0.08748225 = score(doc=1661,freq=2.0), product of:
0.22544876 = queryWeight, product of:
5.017288 = idf(docFreq=795, maxDocs=44218)
0.044934385 = queryNorm
0.38803607 = fieldWeight in 1661, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.017288 = idf(docFreq=795, maxDocs=44218)
0.0546875 = fieldNorm(doc=1661)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Oberhauser, O.: Automatisches Klassifizieren und Bibliothekskataloge (2005)
0.02
0.021870563 = product of:
0.043741126 = sum of:
0.043741126 = product of:
0.08748225 = sum of:
0.08748225 = weight(_text_:o in 4099) [ClassicSimilarity], result of:
0.08748225 = score(doc=4099,freq=2.0), product of:
0.22544876 = queryWeight, product of:
5.017288 = idf(docFreq=795, maxDocs=44218)
0.044934385 = queryNorm
0.38803607 = fieldWeight in 4099, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.017288 = idf(docFreq=795, maxDocs=44218)
0.0546875 = fieldNorm(doc=4099)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Bianchini, C.; Bargioni, S.: Automated classification using linked open data : a case study on faceted classification and Wikidata (2021)
0.02
0.021870563 = product of:
0.043741126 = sum of:
0.043741126 = product of:
0.08748225 = sum of:
0.08748225 = weight(_text_:o in 724) [ClassicSimilarity], result of:
0.08748225 = score(doc=724,freq=2.0), product of:
0.22544876 = queryWeight, product of:
5.017288 = idf(docFreq=795, maxDocs=44218)
0.044934385 = queryNorm
0.38803607 = fieldWeight in 724, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.017288 = idf(docFreq=795, maxDocs=44218)
0.0546875 = fieldNorm(doc=724)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Abstract
- The Wikidata gadget, CCLitBox, for the automated classification of literary authors and works by a faceted classification and using Linked Open Data (LOD) is presented. The tool reproduces the classification algorithm of class O Literature of the Colon Classification and uses data freely available in Wikidata to create Colon Classification class numbers. CCLitBox is totally free and enables any user to classify literary authors and their works; it is easily accessible to everybody; it uses LOD from Wikidata but missing data for classification can be freely added if necessary; it is readymade for any cooperative and networked project.
-
Drori, O.; Alon, N.: Using document classification for displaying search results (2003)
0.02
0.018746197 = product of:
0.037492394 = sum of:
0.037492394 = product of:
0.07498479 = sum of:
0.07498479 = weight(_text_:o in 1565) [ClassicSimilarity], result of:
0.07498479 = score(doc=1565,freq=2.0), product of:
0.22544876 = queryWeight, product of:
5.017288 = idf(docFreq=795, maxDocs=44218)
0.044934385 = queryNorm
0.33260235 = fieldWeight in 1565, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.017288 = idf(docFreq=795, maxDocs=44218)
0.046875 = fieldNorm(doc=1565)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Subramanian, S.; Shafer, K.E.: Clustering (2001)
0.02
0.018263966 = product of:
0.03652793 = sum of:
0.03652793 = product of:
0.07305586 = sum of:
0.07305586 = weight(_text_:22 in 1046) [ClassicSimilarity], result of:
0.07305586 = score(doc=1046,freq=2.0), product of:
0.15735255 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044934385 = queryNorm
0.46428138 = fieldWeight in 1046, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.09375 = fieldNorm(doc=1046)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 5. 5.2003 14:17:22
-
Reiner, U.: Automatische DDC-Klassifizierung von bibliografischen Titeldatensätzen (2009)
0.02
0.015219972 = product of:
0.030439943 = sum of:
0.030439943 = product of:
0.060879886 = sum of:
0.060879886 = weight(_text_:22 in 611) [ClassicSimilarity], result of:
0.060879886 = score(doc=611,freq=2.0), product of:
0.15735255 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044934385 = queryNorm
0.38690117 = fieldWeight in 611, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.078125 = fieldNorm(doc=611)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 8.2009 12:54:24
-
HaCohen-Kerner, Y. et al.: Classification using various machine learning methods and combinations of key-phrases and visual features (2016)
0.02
0.015219972 = product of:
0.030439943 = sum of:
0.030439943 = product of:
0.060879886 = sum of:
0.060879886 = weight(_text_:22 in 2748) [ClassicSimilarity], result of:
0.060879886 = score(doc=2748,freq=2.0), product of:
0.15735255 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044934385 = queryNorm
0.38690117 = fieldWeight in 2748, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.078125 = fieldNorm(doc=2748)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 1. 2.2016 18:25:22
-
Oberhauser, O.: Automatisches Klassifizieren : Verfahren zur Erschließung elektronischer Dokumente (2004)
0.01
0.012497464 = product of:
0.024994928 = sum of:
0.024994928 = product of:
0.049989857 = sum of:
0.049989857 = weight(_text_:o in 2487) [ClassicSimilarity], result of:
0.049989857 = score(doc=2487,freq=2.0), product of:
0.22544876 = queryWeight, product of:
5.017288 = idf(docFreq=795, maxDocs=44218)
0.044934385 = queryNorm
0.2217349 = fieldWeight in 2487, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.017288 = idf(docFreq=795, maxDocs=44218)
0.03125 = fieldNorm(doc=2487)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Bock, H.-H.: Datenanalyse zur Strukturierung und Ordnung von Information (1989)
0.01
0.01065398 = product of:
0.02130796 = sum of:
0.02130796 = product of:
0.04261592 = sum of:
0.04261592 = weight(_text_:22 in 141) [ClassicSimilarity], result of:
0.04261592 = score(doc=141,freq=2.0), product of:
0.15735255 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044934385 = queryNorm
0.2708308 = fieldWeight in 141, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=141)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.1-22
-
Dubin, D.: Dimensions and discriminability (1998)
0.01
0.01065398 = product of:
0.02130796 = sum of:
0.02130796 = product of:
0.04261592 = sum of:
0.04261592 = weight(_text_:22 in 2338) [ClassicSimilarity], result of:
0.04261592 = score(doc=2338,freq=2.0), product of:
0.15735255 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044934385 = queryNorm
0.2708308 = fieldWeight in 2338, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=2338)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 9.1997 19:16:05
-
Automatic classification research at OCLC (2002)
0.01
0.01065398 = product of:
0.02130796 = sum of:
0.02130796 = product of:
0.04261592 = sum of:
0.04261592 = weight(_text_:22 in 1563) [ClassicSimilarity], result of:
0.04261592 = score(doc=1563,freq=2.0), product of:
0.15735255 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044934385 = queryNorm
0.2708308 = fieldWeight in 1563, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=1563)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 5. 5.2003 9:22:09
-
Jenkins, C.: Automatic classification of Web resources using Java and Dewey Decimal Classification (1998)
0.01
0.01065398 = product of:
0.02130796 = sum of:
0.02130796 = product of:
0.04261592 = sum of:
0.04261592 = weight(_text_:22 in 1673) [ClassicSimilarity], result of:
0.04261592 = score(doc=1673,freq=2.0), product of:
0.15735255 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044934385 = queryNorm
0.2708308 = fieldWeight in 1673, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=1673)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 1. 8.1996 22:08:06
-
Yoon, Y.; Lee, C.; Lee, G.G.: ¬An effective procedure for constructing a hierarchical text classification system (2006)
0.01
0.01065398 = product of:
0.02130796 = sum of:
0.02130796 = product of:
0.04261592 = sum of:
0.04261592 = weight(_text_:22 in 5273) [ClassicSimilarity], result of:
0.04261592 = score(doc=5273,freq=2.0), product of:
0.15735255 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044934385 = queryNorm
0.2708308 = fieldWeight in 5273, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=5273)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 7.2006 16:24:52
-
Yi, K.: Automatic text classification using library classification schemes : trends, issues and challenges (2007)
0.01
0.01065398 = product of:
0.02130796 = sum of:
0.02130796 = product of:
0.04261592 = sum of:
0.04261592 = weight(_text_:22 in 2560) [ClassicSimilarity], result of:
0.04261592 = score(doc=2560,freq=2.0), product of:
0.15735255 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044934385 = queryNorm
0.2708308 = fieldWeight in 2560, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=2560)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 9.2008 18:31:54
-
Liu, R.-L.: Context recognition for hierarchical text classification (2009)
0.01
0.009131983 = product of:
0.018263966 = sum of:
0.018263966 = product of:
0.03652793 = sum of:
0.03652793 = weight(_text_:22 in 2760) [ClassicSimilarity], result of:
0.03652793 = score(doc=2760,freq=2.0), product of:
0.15735255 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044934385 = queryNorm
0.23214069 = fieldWeight in 2760, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=2760)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 3.2009 19:11:54
-
Pfeffer, M.: Automatische Vergabe von RVK-Notationen mittels fallbasiertem Schließen (2009)
0.01
0.009131983 = product of:
0.018263966 = sum of:
0.018263966 = product of:
0.03652793 = sum of:
0.03652793 = weight(_text_:22 in 3051) [ClassicSimilarity], result of:
0.03652793 = score(doc=3051,freq=2.0), product of:
0.15735255 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044934385 = queryNorm
0.23214069 = fieldWeight in 3051, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=3051)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 8.2009 19:51:28
-
Zhu, W.Z.; Allen, R.B.: Document clustering using the LSI subspace signature model (2013)
0.01
0.009131983 = product of:
0.018263966 = sum of:
0.018263966 = product of:
0.03652793 = sum of:
0.03652793 = weight(_text_:22 in 690) [ClassicSimilarity], result of:
0.03652793 = score(doc=690,freq=2.0), product of:
0.15735255 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044934385 = queryNorm
0.23214069 = fieldWeight in 690, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=690)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 23. 3.2013 13:22:36
-
Egbert, J.; Biber, D.; Davies, M.: Developing a bottom-up, user-based method of web register classification (2015)
0.01
0.009131983 = product of:
0.018263966 = sum of:
0.018263966 = product of:
0.03652793 = sum of:
0.03652793 = weight(_text_:22 in 2158) [ClassicSimilarity], result of:
0.03652793 = score(doc=2158,freq=2.0), product of:
0.15735255 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044934385 = queryNorm
0.23214069 = fieldWeight in 2158, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=2158)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 4. 8.2015 19:22:04
