605 search results - page 79 / 121 » Aggregate Functions in DLV |
WECWIS
2003
IEEE
15 years 3 months ago
2003
IEEE
Electronic exchanges are double-sided marketplaces that allow multiple buyers to trade with multiple sellers, with aggregation of demand and supply across the bids to maximize the...
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ICNP
2002
IEEE
15 years 2 months ago
2002
IEEE
— This paper describes a novel, ultra-fast heuristic algorithm to address an NP-hard optimization problem. One of its significances is that, for the first time, the paper shows...
EDBT
2009
ACM
15 years 2 months ago
2009
ACM
Data provenance is essential in applications such as scientific computing, curated databases, and data warehouses. Several systems have been developed that provide provenance fun...
ICWS
2008
IEEE
14 years 11 months ago
2008
IEEE
Web services composition has been gaining interest over the last years as it leverages the capabilities to offer complex operations resulting from the aggregation of Web services ...
BDA
2001
14 years 11 months ago
2001
Community Web Portals (e.g., digital libraries, vertical aggregators, infomediaries) have become quite popular nowadays in supporting specific communities of interest on corporate...