Sciweavers

2877 search results - page 455 / 576
» Learn to weight terms in information retrieval using categor...
Sort
View
WWW
2005
ACM
14 years 8 months ago
WEESA: Web engineering for semantic Web applications
The success of the Semantic Web crucially depends on the existence of Web pages that provide machine-understandable meta-data. This meta-data is typically added in the semantic an...
Gerald Reif, Harald Gall, Mehdi Jazayeri
KDD
2006
ACM
172views Data Mining» more  KDD 2006»
14 years 8 months ago
Attack detection in time series for recommender systems
Recent research has identified significant vulnerabilities in recommender systems. Shilling attacks, in which attackers introduce biased ratings in order to influence future recom...
Sheng Zhang, Amit Chakrabarti, James Ford, Fillia ...
SIGMOD
2008
ACM
150views Database» more  SIGMOD 2008»
14 years 8 months ago
Query biased snippet generation in XML search
Snippets are used by almost every text search engine to complement ranking scheme in order to effectively handle user searches, which are inherently ambiguous and whose relevance ...
Yu Huang, Ziyang Liu, Yi Chen
SIGMOD
2007
ACM
172views Database» more  SIGMOD 2007»
14 years 8 months ago
Auditing disclosure by relevance ranking
Numerous widely publicized cases of theft and misuse of private information underscore the need for audit technology to identify the sources of unauthorized disclosure. We present...
Rakesh Agrawal, Alexandre V. Evfimievski, Jerry Ki...
MOBISYS
2007
ACM
14 years 7 months ago
Surface street traffic estimation
In this paper, we propose a simple yet effective method of identifying traffic conditions on surface streets given location traces collected from on-road vehicles--this requires o...
Jungkeun Yoon, Brian Noble, Mingyan Liu