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GIS
2006
ACM
16 years 7 months ago
Mining frequent geographic patterns with knowledge constraints
The large amount of patterns generated by frequent pattern mining algorithms has been extensively addressed in the last few years. In geographic pattern mining, besides the large ...
Luis Otávio Alvares, Paulo Martins Engel, S...
WWW
2004
ACM
16 years 7 months ago
An automatic semantic relationships discovery approach
An important obstacle to the success of the Semantic Web is that the establishment of the semantic relationship is labor-intensive. This paper proposes an automatic semantic relat...
Hai Zhuge, Liping Zheng, Nan Zhang 0007, Xiang Li
WWW
2003
ACM
16 years 7 months ago
A system for principled matchmaking in an electronic marketplace
More and more resources are becoming available on the Web, and there is a growing need for infrastructures that, based on advertised descriptions, are able to semantically match d...
Tommaso Di Noia, Eugenio Di Sciascio, Francesco M....
ICLP
2009
Springer
16 years 7 months ago
Computing Loops with at Most One External Support Rule for Disjunctive Logic Programs
We extend to disjunctive logic programs our previous work on computing loop formulas of loops with at most one external support. We show that for these logic programs, loop formula...
Xiaoping Chen, Jianmin Ji, Fangzhen Lin
KDD
2006
ACM
172views Data Mining» more  KDD 2006»
16 years 7 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 ...