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SIGMOD
2010
ACM
308views Database» more  SIGMOD 2010»
13 years 8 months ago
GBLENDER: towards blending visual query formulation and query processing in graph databases
Given a graph database D and a query graph g, an exact subgraph matching query asks for the set S of graphs in D that contain g as a subgraph. This type of queries find important...
Changjiu Jin, Sourav S. Bhowmick, Xiaokui Xiao, Ja...
SIGMOD
2006
ACM
158views Database» more  SIGMOD 2006»
14 years 10 months ago
Continuous query processing in data streams using duality of data and queries
Recent data stream systems such as TelegraphCQ have employed the well-known property of duality between data and queries. In these systems, query processing methods are classified...
Hyo-Sang Lim, Jae-Gil Lee, Min-Jae Lee, Kyu-Young ...
ADBIS
2000
Springer
188views Database» more  ADBIS 2000»
14 years 2 months ago
Algorithms for Rewriting Aggregate Queries Using Views
Queries involving aggregation are typical in a number of database research areas, such as data warehousing, global information systems and mobile computing. One of the main ideas ...
Sara Cohen, Werner Nutt, Alexander Serebrenik
ICDE
2008
IEEE
127views Database» more  ICDE 2008»
14 years 11 months ago
Querying Data under Access Limitations
Data sources on the web are often accessible through web interfaces that present them as relational tables, but require certain attributes to be mandatorily selected, e.g., via a w...
Andrea Calì, Davide Martinenghi
LION
2010
Springer
230views Optimization» more  LION 2010»
14 years 2 months ago
A Study of the Parallelization of the Multi-Objective Metaheuristic MOEA/D
MOEA/D is a multi-objective metaheuristic which has shown a remarkable performance when solving hard optimization problems. In this paper, we propose a thread-based parallel versio...
Antonio J. Nebro, Juan J. Durillo