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» Queries and Constraints on Semi-structured Data
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ICDT
2009
ACM
119views Database» more  ICDT 2009»
15 years 10 months ago
Querying data sources that export infinite sets of views
We study the problem of querying data sources that accept only a limited set of queries, such as sources accessible by Web services which can implement very large (potentially inf...
Bogdan Cautis, Alin Deutsch, Nicola Onose
ICDE
2005
IEEE
124views Database» more  ICDE 2005»
15 years 11 months ago
XML Views as Integrity Constraints and their Use in Query Translation
The SQL queries produced in XML-to-SQL query translation are often unnecessarily complex, even for simple input XML queries. In this paper we argue that relational systems can do ...
Rajasekar Krishnamurthy, Raghav Kaushik, Jeffrey F...
KBSE
2008
IEEE
15 years 4 months ago
Query-Aware Test Generation Using a Relational Constraint Solver
We present a novel approach for black-box testing of database management systems (DBMS) using the Alloy tool-set. Given a database schema and an SQL query as inputs, our approach ...
Shadi Abdul Khalek, Bassem Elkarablieh, Yai O. Lal...
DEXAW
2005
IEEE
176views Database» more  DEXAW 2005»
14 years 11 months ago
Indexes and Path Constraints in Semistructured Data
In this paper, we study semistructured data and indexes preserving inclusion constraints. A semistructured datum is modelled by multi-rooted edge-labeled directed graphs. We consi...
Yves Andre, Anne-Cécile Caron, Denis Debarb...
SIGMOD
2003
ACM
150views Database» more  SIGMOD 2003»
15 years 9 months ago
Capturing both Types and Constraints in Data Integration
We propose a framework for integrating data from multiple relational sources into an XML document that both conforms to a given DTD and satisfies predefined XML constraints. The f...
Michael Benedikt, Chee Yong Chan, Wenfei Fan, Juli...