Sciweavers

5130 search results - page 441 / 1026
» Constraint Query Languages
Sort
View
EDBT
2011
ACM
209views Database» more  EDBT 2011»
14 years 10 months ago
True language-level SQL debugging
We demonstrate Habitat, a declarative observational debugger for SQL. Habitat facilitates true language-level (not: plan-level) debugging of, probably flawed, SQL queries that yi...
Torsten Grust, Fabian Kliebhan, Jan Rittinger, Tom...
ICDE
2010
IEEE
288views Database» more  ICDE 2010»
16 years 6 months ago
Fast In-Memory XPath Search using Compressed Indexes
A large fraction of an XML document typically consists of text data. The XPath query language allows text search via the equal, contains, and starts-with predicates. Such predicate...
Diego Arroyuelo, Francisco Claude, Sebastian Manet...
MODELS
2010
Springer
15 years 5 months ago
Extending Variability for OCL Interpretation
Abstract. In recent years, OCL advanced from a language used to constrain UML models to a constraint language that is applied to various modelling languages. This includes Domain S...
Claas Wilke, Michael Thiele, Christian Wende
ICDE
1998
IEEE
70views Database» more  ICDE 1998»
16 years 8 months ago
Point-Versus Interval-Based Temporal Data Models
The association of timestamps with various data items such as tuples or attribute values is fundamental to the management of time-varying information. Using intervals in timestamp...
Michael H. Böhlen, Renato Busatto, Christian ...
WWW
2004
ACM
16 years 7 months ago
Texquery: a full-text search extension to xquery
One of the key benefits of XML is its ability to represent a mix of structured and unstructured (text) data. Although current XML query languages such as XPath and XQuery can expr...
Sihem Amer-Yahia, Chavdar Botev, Jayavel Shanmugas...