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» A Temporal Consensus Model
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ER
2010
Springer
168views Database» more  ER 2010»
14 years 8 months ago
Complexity of Reasoning over Temporal Data Models
Abstract. We investigate the computational complexity of reasoning over temporal extensions of conceptual data models. The temporal conceptual models we analyse include the standar...
Alessandro Artale, Roman Kontchakov, Vladislav Ryz...
CORR
2010
Springer
138views Education» more  CORR 2010»
14 years 9 months ago
A Logical Temporal Relational Data Model
Time is one of the most difficult aspects to handle in real world applications such as database systems. Relational database management systems proposed by Codd offer very little ...
Nadeem Mahmood, Aqil Burney, Kamran Ahsan
VLDB
1992
ACM
151views Database» more  VLDB 1992»
15 years 1 months ago
A Uniform Approach to Processing Temporal Queries
Research in temporal databases has mainly focused on defining temporal data models by extending existing models, and developing access structures for temporal data. Little has bee...
Umeshwar Dayal, Gene T. J. Wuu
JAIR
2006
137views more  JAIR 2006»
14 years 9 months ago
Learning Sentence-internal Temporal Relations
In this paper we propose a data intensive approach for inferring sentence-internal temporal relations. Temporal inference is relevant for practical NLP applications which either e...
Maria Lapata, Alex Lascarides
NECO
2006
111views more  NECO 2006»
14 years 9 months ago
Dynamics and Topographic Organization of Recursive Self-Organizing Maps
Recently, there has been an outburst of interest in extending topographic maps of vectorial data to more general data structures, such as sequences or trees. However, at present, ...
Peter Tiño, Igor Farkas, Jort van Mourik