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AGP
2010
IEEE
14 years 21 days ago
Agents, Multi-Agent Systems and Declarative Programming: What, When, Where, Why, Who, How?
This chapter tackles the relation between declarative languages and multi-agent systems by following the dictates of the five Ws (and one H) that characterize investigations. The ...
Matteo Baldoni, Cristina Baroglio, Viviana Mascard...
SIGMOD
2002
ACM
134views Database» more  SIGMOD 2002»
14 years 9 months ago
Wavelet synopses with error guarantees
Recent work has demonstrated the effectiveness of the wavelet decomposition in reducing large amounts of data to compact sets of wavelet coefficients (termed "wavelet synopse...
Minos N. Garofalakis, Phillip B. Gibbons
JAIR
2012
254views Hardware» more  JAIR 2012»
11 years 11 months ago
Completeness Guarantees for Incomplete Ontology Reasoners: Theory and Practice
To achieve scalability of query answering, the developers of Semantic Web applications are often forced to use incomplete OWL 2 reasoners, which fail to derive all answers for at ...
Bernardo Cuenca Grau, Boris Motik, Giorgos Stoilos...
ICDE
2004
IEEE
148views Database» more  ICDE 2004»
14 years 10 months ago
Approximate Selection Queries over Imprecise Data
We examine the problem of evaluating selection queries over imprecisely represented objects. Such objects are used either because they are much smaller in size than the precise on...
Iosif Lazaridis, Sharad Mehrotra
WEBDB
2005
Springer
97views Database» more  WEBDB 2005»
14 years 2 months ago
The Framework of an XML Semantic Caching System
As a simple XML query language but with enough expressive power, XPath has become very popular. To expedite evaluation of XPath queries, we consider the problem of caching results...
Wanhong Xu