951 search results - page 60 / 191 » Groupwise Processing of Relational Queries |
ADBIS
2004
Springer
15 years 3 months ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
105
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PVLDB
2010
14 years 8 months ago
2010
Recently, there has been increasing interest in extending relational query processing to include data obtained from unstructured sources. A common approach is to use stand-alone I...
BMCBI
2007
14 years 10 months ago
2007
Background: We present a probabilistic topic-based model for content similarity called pmra that underlies the related article search feature in PubMed. Whether or not a document ...
IPPS
2009
IEEE
15 years 4 months ago
2009
IEEE
We consider the operator mapping problem for in-network stream processing, i.e., the application of a tree of operators in steady-state to multiple data objects that are continuou...
108
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AIMDM
1999
Springer
15 years 2 months ago
1999
Springer
Medical words exhibit a rich and productive morphology. Morphological knowledge is therefore very important for any medical language processing application. We propose a simple and...