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CIKM
2006
Springer
14 years 5 days ago
2006
Springer
We study the novel problem of efficiently computing the update distance for a pair of relational databases. In analogy to the edit distance of strings, we define the update distan...
CIKM
2006
Springer
14 years 5 days ago
2006
Springer
Optimising the parameters of ranking functions with respect to standard IR rank-dependent cost functions has eluded satisfactory analytical treatment. We build on recent advances ...
CIKM
2008
Springer
13 years 10 months ago
2008
Springer
In this paper, we focus on XML data integration by studying rewritings of XML target schemas in terms of source schemas. Rewriting is very important in data integration systems wh...
CISS
2007
IEEE
13 years 10 months ago
2007
IEEE
— In this paper, we present a simple technique to approximate the performance union bound of a punctured turbo code. The bound approximation exploits only those terms of the tran...
LREC
2008
13 years 10 months ago
2008
Research activity on the Portuguese language for speech synthesis and recognition has suffered from a considerable lack of human and material resources. This has raised some obsta...