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WWW
2007
ACM
14 years 9 months ago
2007
ACM
We propose the study of visibly pushdown automata (Vpa) for processing XML documents. Vpas are pushdown automata where the input determines the stack operation, and XML documents ...
CIKM
2008
Springer
13 years 10 months ago
2008
Springer
Structured documents contain elements defined by the author(s) and annotations assigned by other people or processes. Structured documents pose challenges for probabilistic retrie...
SIGIR
1999
ACM
14 years 22 days ago
1999
ACM
This paper claims that Belief Revision can be seen as a theoretical framework for document ranking in Extended Boolean Models. For a model of Information Retrieval based on propos...
EDBT
2010
ACM
13 years 11 months ago
2010
ACM
A key advantage of scientific workflow systems over traditional scripting approaches is their ability to automatically record data and process dependencies introduced during workf...
PODS
2008
ACM
14 years 8 months ago
2008
ACM
We revisit the classical chase procedure, studying its properties as well as its applicability to standard database problems. We settle (in the negative) the open problem of decid...