777 search results - page 117 / 156 » Declarative Data Cleaning: Language, Model, and Algorithms |
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
We address a specific enterprise document search scenario, where the information need is expressed in an elaborate manner. In our scenario, information needs are expressed using a...
SCP
2010
13 years 6 months ago
2010
Constraint automata have been introduced to provide a compositional, operational semantics for the exogenous coordination language Reo, but they can also serve interface specifica...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
Relevance feedback has been demonstrated to be an effective strategy for improving retrieval accuracy. The existing relevance feedback algorithms based on language models and vect...
WEBDB
2009
Springer
14 years 2 months ago
2009
Springer
We study the problem of schema evolution in the RDF data model. RDF and the RDFS schema language are W3C standards for flexibly modeling and sharing data on the web. Although sch...
IJCNLP
2004
Springer
14 years 1 months ago
2004
Springer
In this paper, a series of window-based methods is proposed for information retrieval. Compared with traditional tf-idf model, our approaches are based on two new key notions. The ...