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TREC
2004
13 years 10 months ago
2004
Our experiments in the Robust track this year focused on predicting query difficulty and using this prediction for improving information retrieval. We developed two prediction alg...
CIKM
2011
Springer
12 years 9 months ago
2011
Springer
Today, a number of algorithms exist for constructing tag hierarchies from social tagging data. While these algorithms were designed with ontological goals in mind, we know very li...
ECAI
2008
Springer
13 years 11 months ago
2008
Springer
The automatic detection of plagiarism is a task that has acquired relevance in the Information Retrieval area and it becomes more complex when the plagiarism is made in a multiling...
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
In this paper, we propose a methodological approach for the model driven development of secure XML databases (DB). This proposal is within the framework of MIDAS, a model driven m...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
The previous literature of privacy preserving data publication has focused on performing "one-time" releases. Specifically, none of the existing solutions supports re-pu...