Sciweavers

2728 search results - page 126 / 546
» The EGTV Query Language
Sort
View
PODS
2009
ACM
134views Database» more  PODS 2009»
16 years 5 months ago
Equivalence of nested queries with mixed semantics
We consider the problem of deciding query equivalence for a conjunctive language in which queries output complex objects composed from a mixture of nested, unordered collection ty...
David DeHaan
VLDB
1999
ACM
87views Database» more  VLDB 1999»
15 years 8 months ago
Query Optimization for XML
XML is an emerging standard for data representation and exchange on the World-Wide Web. Due to the nature of information on the Web and the inherent flexibility of XML, we expect...
Jason McHugh, Jennifer Widom
BNCOD
1997
76views Database» more  BNCOD 1997»
15 years 6 months ago
Query Evaluation in CROQUE - Calculus and Algebra Coincide
With the substantial change of declarative query languages from plain SQL to the so-called \object SQLs", in particular OQL, there has surprisingly been not much change in the...
Torsten Grust, Joachim Kröger, Dieter Gluche,...
INEX
2004
Springer
15 years 10 months ago
NEXI, Now and Next
NEXI was introduced in INEX 2004 as a query language for specifying structured and unstructured queries on XML documents. A language expressive enough for INEX yet simple enough f...
Andrew Trotman, Börkur Sigurbjörnsson
184
Voted
DEBS
2011
ACM
14 years 8 months ago
Declarative data-driven coordination
Many data-driven social and Web applications involve collaboration and coordination. The vision of declarative data-driven coordination (D3C), proposed in [9], is to support coord...
Johannes Gehrke