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» Constraint Databases and Geographic Information Systems
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PVLDB
2008
167views more  PVLDB 2008»
14 years 11 months ago
Managing and querying transaction-time databases under schema evolution
The old problem of managing the history of database information is now made more urgent and complex by fast spreading web information systems, such as Wikipedia. Our PRIMA system ...
Hyun Jin Moon, Carlo Curino, Alin Deutsch, Chien-Y...
ISMIR
2005
Springer
151views Music» more  ISMIR 2005»
15 years 5 months ago
Lyrics Recognition from a Singing Voice Based on Finite State Automaton for Music Information Retrieval
Recently, several music information retrieval (MIR) systems have been developed which retrieve musical pieces by the user’s singing voice. All of these systems use only the melo...
Toru Hosoya, Motoyuki Suzuki, Akinori Ito, Shozo M...
GIS
2006
ACM
16 years 25 days ago
Object localization based on directional information case of 2D vector data
If you were told that some object A was perfectly (or somewhat, or not at all) in some direction (e.g., west, above-right) of some reference object B, where in space would you loo...
Stelian Coros, JingBo Ni, Pascal Matsakis
GLOBE
2009
Springer
15 years 4 months ago
Designing, Specifying and Querying Metadata for Virtual Data Integration Systems
Abstract. We show how to specify and use the metadata for a virtual and relational data integration system under the local-as-view (LAV) approach. We use XML and RuleML for represe...
Leopoldo E. Bertossi, Gayathri Jayaraman
PADL
2005
Springer
15 years 5 months ago
Character-Based Cladistics and Answer Set Programming
We describe the reconstruction of a phylogeny for a set of taxa, with a character-based cladistics approach, in a declarative knowledge representation formalism, and show how to us...
Daniel R. Brooks, Esra Erdem, James W. Minett, Don...