2027 search results - page 29 / 406 » An Adaptive Query Execution System for Data Integration |
JLP
2000
13 years 7 months ago
2000
Generating query-answering plans for data integration systems requires to translate a user query, formulated in terms of a mediated schema, to a query that uses relations that are...
IJCIS
1998
13 years 7 months ago
1998
We present the systematic design and development of a distributed query scheduling service DQS in the context of DIOM, a distributed and interoperable query mediation system 26 ...
VLDB
2007
ACM
14 years 1 months ago
2007
ACM
Dataspace management has been recently identified as a new agenda for information management [17, 22] and information integration [23]. In sharp contrast to standard information ...
CCS
2008
ACM
13 years 9 months ago
2008
ACM
We propose an approach for the selective enforcement of access control restrictions in, possibly distributed, large data collections based on two basic concepts: i) flexible autho...
ICWS
2009
IEEE
13 years 5 months ago
2009
IEEE
BPEL/WSBPEL is the predominant approach for combining individual web services into integrated business processes, allowing for the specification of their sequence, control flow an...