Sciweavers

3420 search results - page 331 / 684
» Proximity Search in Databases
Sort
View
VLDB
1998
ACM
138views Database» more  VLDB 1998»
15 years 11 months ago
TOPAZ: a Cost-Based, Rule-Driven, Multi-Phase Parallelizer
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...
Clara Nippl, Bernhard Mitschang
ICDT
1997
ACM
97views Database» more  ICDT 1997»
15 years 10 months ago
Queries and Computation on the Web
The paper introduces a model of the Web as an in nite, semistructured set of objects. We reconsider the classical notions of genericity and computability of queries in this new con...
Serge Abiteboul, Victor Vianu
DEXAW
2004
IEEE
166views Database» more  DEXAW 2004»
15 years 10 months ago
Development of Flexible Peer-To-Peer Information Systems Using Adaptable Mobile Agents
Wide-area networks provide an easy access to many different distributed and heterogeneous data sources. The development of automated operating tools is still complex, particularly...
Jean-Paul Arcangeli, Sebastien Leriche, Marc Pante...
VLDB
1995
ACM
96views Database» more  VLDB 1995»
15 years 10 months ago
The Fittest Survives: An Adaptive Approach to Query Optimization
Traditionally, optimizers are “programmed” to optimize queries following a set of buildin procedures. However, optimizers should be robust to its changing environment to gener...
Hongjun Lu, Kian-Lee Tan, Son Dao
IADIS
2004
15 years 8 months ago
Integrated governmental publication system
This paper aims to describe a platform that was created for Spanish government in order to unify the different publishers' web site. Working on the principle that the impleme...
Carlos del Cuvillo, Héctor García, D...