262 search results - page 24 / 53 » Spatio-temporal join selectivity |
DATAMINE
2010
13 years 7 months ago
2010
In this paper, we introduce a game-theoretic framework to address the community detection problem based on the structures of social networks. We formulate the dynamics of community...
SEMWEB
2010
Springer
13 years 5 months ago
2010
Springer
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
LSSC
2007
Springer
14 years 1 months ago
2007
Springer
Recently we have proposed an approach to utilizing agent teams as resource brokers and managers in the Grid. Thus far we have discussed the general overview of the proposed system,...
SYNASC
2005
IEEE
14 years 1 months ago
2005
IEEE
Among features often attributed to software agents are autonomy and mobility. Autonomy of e-commerce agents involves adaptability to engage in negotiations governed by mechanisms ...
VLDB
2004
ACM
14 years 29 days ago
2004
ACM
PIVOT and UNPIVOT, two operators on tabular data that exchange rows and columns, enable data transformations useful in data modeling, data analysis, and data presentation. They ca...