Sciweavers

1711 search results - page 314 / 343
» Diversifying web search results
Sort
View
WIDM
2005
ACM
14 years 1 months ago
Preventing shilling attacks in online recommender systems
Collaborative filtering techniques have been successfully employed in recommender systems in order to help users deal with information overload by making high quality personalize...
Paul-Alexandru Chirita, Wolfgang Nejdl, Cristian Z...
SPIRE
2005
Springer
14 years 1 months ago
Compressed Perfect Embedded Skip Lists for Quick Inverted-Index Lookups
Large inverted indices are by now common in the construction of web-scale search engines. For faster access, inverted indices are indexed internally so that it is possible to skip...
Paolo Boldi, Sebastiano Vigna
SIGIR
2004
ACM
14 years 1 months ago
Usefulness of hyperlink structure for query-biased topic distillation
In this paper, we introduce an information theoretic method for estimating the usefulness of the hyperlink structure induced from the set of retrieved documents. We evaluate the e...
Vassilis Plachouras, Iadh Ounis
INFOVIS
2003
IEEE
14 years 1 months ago
EdgeLens: An Interactive Method for Managing Edge Congestion in Graphs
An increasing number of tasks require people to explore, navigate and search extremely complex data sets visualized as graphs. Examples include electrical and telecommunication ne...
Nelson Wong, M. Sheelagh T. Carpendale, Saul Green...
ACSC
2002
IEEE
14 years 20 days ago
Signature Extraction for Overlap Detection in Documents
Easy access to the Web has led to increased potential for students cheating on assignments by plagiarising others’ work. By the same token, Web-based tools offer the potential f...
Raphael A. Finkel, Arkady B. Zaslavsky, Kriszti&aa...