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» Query reformulation with constraints
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99
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SEKE
2007
Springer
15 years 6 months ago
Query Processing in Paraconsistent Databases in the Presence of Integrity Constraints
In this paper, we present an approach to query processing for paraconsistent databases in the presence of integrity constraints. Paraconsistent databases are capable of representi...
Navin Viswanath, Rajshekhar Sunderraman
126
Voted
MDM
2007
Springer
152views Communications» more  MDM 2007»
15 years 6 months ago
ConQuer: A Peer Group-Based Incentive Model for Constraint Querying in Mobile-P2P Networks
— In mobile ad-hoc peer-to-peer (M-P2P) networks, economic models become a necessity for enticing non-cooperative mobile peers to provide service. M-P2P users may issue queries w...
Anirban Mondal, Sanjay Kumar Madria, Masaru Kitsur...
136
Voted
ICDE
2012
IEEE
277views Database» more  ICDE 2012»
13 years 3 months ago
Aggregate Query Answering on Possibilistic Data with Cardinality Constraints
— Uncertainties in data arise for a number of reasons: when the data set is incomplete, contains conflicting information or has been deliberately perturbed or coarsened to remov...
Graham Cormode, Divesh Srivastava, Entong Shen, Ti...
87
Voted
SSD
2007
Springer
116views Database» more  SSD 2007»
15 years 6 months ago
Continuous Constraint Query Evaluation for Spatiotemporal Streams
In this paper we study the evaluation of continuous constraint queries (CCQs) for spatiotemporal streams. A CCQ triggers an alert whenever a configuration of constraints between s...
Marios Hadjieleftheriou, Nikos Mamoulis, Yufei Tao
118
Voted
IJCAI
2003
15 years 1 months ago
Query rewriting and answering under constraints in data integration systems
In this paper we address the problem of query answering and rewriting in global-as-view data integration systems, when key and inclusion dependencies are expressed on the global i...
Andrea Calì, Domenico Lembo, Riccardo Rosat...