2299 search results - page 156 / 460 » Logical Data Expiration |
108
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FUIN
2007
15 years 3 months ago
2007
We give formulations for modal deductive databases and present a modal query language called MDatalog. We define modal relational algebras and give the seminaive evaluation algor...
136
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FCSC
2008
15 years 4 months ago
2008
With the development of World Wide Web (WWW), storage and utilization of web data has become a big challenge for data management research community. Web data are essentially hetero...
130
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ADBIS
2006
Springer
15 years 6 months ago
2006
Springer
Because of information ubiquity, one observes an important trend towards transferring information management tasks from database systems to networks. We introduce the notion of Da...
140
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CCGRID
2005
IEEE
15 years 9 months ago
2005
IEEE
Data services for the Grid have focussed so far primarily on virtualising access to distributed databases, and encapsulating file location. However, orchestration of services requ...
140
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SAC
2004
ACM
15 years 9 months ago
2004
ACM
A data warehouse (DW) provides an information for analytical processing, decision making, and data mining tools. On the one hand, the structure and content of a data warehouse ref...