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ICDE
2004
IEEE
89views Database» more  ICDE 2004»
16 years 8 months ago
Nested Queries and Quantifiers in an Ordered Context
We present algebraic equivalences that allow to unnest nested algebraic expressions for order-preserving algebraic operators. We illustrate how these equivalences can be applied s...
Norman May, Sven Helmer, Guido Moerkotte
EDBTW
2006
Springer
15 years 10 months ago
Pattern-Based Query Answering
Users without knowledge of schemas or structured query languages have difficulties in accessing information stored in databases. Commercial and research efforts have focused on key...
Alkis Simitsis, Georgia Koutrika
GPCE
2007
Springer
16 years 28 days ago
Simple and safe SQL queries with c++ templates
Most software applications use a relational database for data management and storage. Interaction with such a database is often done by letting the program construct strings with ...
Joseph Gil, Keren Lenz
ICIW
2008
IEEE
16 years 1 months ago
DBOWL: Towards a Scalable and Persistent OWL Reasoner
—With the increasing development of real applications using Semantic Web Technologies, it is necessary to provide scalable and efficient ontology querying and reasoning systems....
María del Mar Roldán García, ...
VLDB
1994
ACM
147views Database» more  VLDB 1994»
15 years 10 months ago
Integrating a Structured-Text Retrieval System with an Object-Oriented Database System
We describe the integration of a structuredtext retrieval system (TextMachine) into an object-oriented database system (OpenODB). We use the external function capability of the da...
Tak W. Yan, Jurgen Annevelink