7593 search results - page 216 / 1519 » Querying XML Databases |
192
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PODS
2004
ACM
16 years 6 months ago
2004
ACM
The problem of deciding query containment has important applications in classical query optimization and heterogeneous database systems. Query containment is undecidable for unres...
131
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ICDE
2010
IEEE
16 years 6 months ago
2010
IEEE
Abstract-- We consider the Top-k Approximate Subtree Matching (TASM) problem: finding the k best matches of a small query tree, e.g., a DBLP article with 15 nodes, in a large docum...
200
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CLUSTER
2004
IEEE
15 years 10 months ago
2004
IEEE
A key challenge in supporting data-driven scientific applications is the storage and management of input and output data in a distributed environment. In this paper, we describe a...
156
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ECIR
2007
Springer
15 years 8 months ago
2007
Springer
This paper introduces the concept of a Parameterised Search System (PSS), which allows flexibility in user queries, and, more importantly, allows system engineers to easily defin...
209
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TKDE
2010
15 years 4 months ago
2010
—Authority flow and proximity search have been used extensively in measuring the association between entities in data graphs, ranging from the Web to relational and XML database...