861 search results - page 65 / 173 » Relational Completeness of Query Languages for Annotated Dat... |
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DOCENG
2004
ACM
15 years 3 months ago
2004
ACM
With the wide adoption of XML as a standard data representation and exchange format, querying XML documents becomes increasingly important. However, relational database systems co...
DEXA
2000
Springer
15 years 2 months ago
2000
Springer
The relational model, as proposed by Codd, contained the concept of relations as tables composed of tuples of single valued attributes taken from a domain. In most of the early lit...
EJC
2008
14 years 11 months ago
2008
The notion of a fragment was coined by Montague 1974 to illustrate the formal handling of certain puzzles, such as de dicto/de re, in a truth-conditional semantics for natural lan...
111
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TKDE
2012
13 years 6 days ago
2012
— We present a query formulation language (called MashQL) in order to easily query and fuse structured data on the web. The main novelty of MashQL is that it allows people with l...
VLDB
1991
ACM
15 years 1 months ago
1991
ACM
We propose a two-pha.se algorithm for physical database design. In phase one the algorithm, for each logical query, losesrules to determine characteristics of a physical design (s...