145 search results - page 7 / 29 » Data summaries for on-demand queries over linked data |
DAWAK
2007
Springer
15 years 3 months ago
2007
Springer
We propose a privacy-preserving protocol for computing aggregation queries over the join of private tables. In this problem, several parties wish to share aggregated information ov...
WIDM
2004
ACM
15 years 2 months ago
2004
ACM
In this paper, we propose a novel compact tree (Ctree) for XML indexing, which provides not only concise path summaries at the group level but also detailed child-parent links at ...
112
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ESWS
2011
Springer
2011
Springer
Zero-Knowledge Query Planning for an Iterator Implementation of Link Traversal Based Query Execution
14 years 28 days ago
Abstract. Link traversal based query execution is a new query execution paradigm for the Web of Data. This approach allows the execution engine to discover potentially relevant dat...
77
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DOLAP
2000
ACM
15 years 1 months ago
2000
ACM
We consider the view maintenance problem in a web-based environment, in which clients query information from databases, stored in the form of materialized data warehouses, without...
97
Voted
GLOBE
2009
Springer
15 years 2 months ago
2009
Springer
Skyline queries help users make intelligent decisions over complex data, where different and often conflicting criteria are considered. A challenging problem is to support skylin...