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SSD
2007
Springer
14 years 4 months ago
2007
Springer
Given two datasets A and B, their exclusive closest pairs (ECP) join is a one-to-one assignment of objects from the two datasets, such that (i) the closest pair (a, b) in A×B is i...
ICDE
2007
IEEE
14 years 11 months ago
2007
IEEE
Keyword search is a familiar and potentially effective way to find information of interest that is "locked" inside relational databases. Current work has generally assum...
ICDT
2007
ACM
14 years 4 months ago
2007
ACM
The first aim of this paper is to present the logical core of XPath 2.0: a logically clean, decidable fragment, which includes most navigational features of XPath 2.0 (complex co...
DLOG
2007
14 years 4 days ago
2007
We develop a formal framework for modular ontologies by analysing four notions of conservative extensions and their applications in refining, re-using, merging, and segmenting ont...
ACS
2004
13 years 9 months ago
2004
Let A be a topological space which is not finitely generated and CH(A) denote the coreflective hull of A in Top. We construct a generator of the coreflective subcategory SCH(A) con...