226
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CIKM
2011
Springer
14 years 7 months ago
2011
Springer
This paper presents Yagada, an algorithm to search labelled graphs for anomalies using both structural data and numeric attributes. Yagada is explained using several security-rela...
229
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CIKM
2011
Springer
14 years 7 months ago
2011
Springer
A fundamental problem related to RDF query processing is selectivity estimation, which is crucial to query optimization for determining a join order of RDF triple patterns. In thi...
234
click to vote
CIKM
2011
Springer
14 years 7 months ago
2011
Springer
This paper explores correspondence and mixture topic modeling of documents tagged from two different perspectives. There has been ongoing work in topic modeling of documents with...
214
click to vote
CIKM
2011
Springer
14 years 7 months ago
2011
Springer
In this paper, we reveal a common deficiency of the current retrieval models: the component of term frequency (TF) normalization by document length is not lower-bounded properly;...
191
click to vote
CIKM
2011
Springer
14 years 7 months ago
2011
Springer
Many large-scale Web applications that require ranked top-k retrieval are implemented using inverted indices. An inverted index represents a sparse term-document matrix, where non...