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» Gram: A Graph Data Model and Query Language
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ICDT
2009
ACM
166views Database» more  ICDT 2009»
14 years 8 months ago
A compositional framework for complex queries over uncertain data
The ability to flexibly compose confidence computation with the operations of relational algebra is an important feature of probabilistic database query languages. Computing confi...
Christoph Koch, Michaela Götz
FAST
2009
13 years 5 months ago
On Explicit Provenance Management in RDF/S Graphs
The notion of RDF Named Graphs has been proposed in order to assign provenance information to data described using RDF triples. In this paper, we argue that named graphs alone can...
Panagiotis Pediaditis, Giorgos Flouris, Irini Fund...
GIS
2003
ACM
14 years 8 months ago
Computational data modeling for network-constrained moving objects
Advances in wireless communications, positioning technology, and other hardware technologies combine to enable a range of applications that use a mobile user's geo-spatial da...
Laurynas Speicys, Christian S. Jensen, Augustas Kl...
MM
2005
ACM
166views Multimedia» more  MM 2005»
14 years 1 months ago
MedSMan: a streaming data management system over live multimedia
Querying live media streams is a challenging problem that is becoming an essential requirement in a growing number of applications. Research in multimedia information systems has ...
Bin Liu, Amarnath Gupta, Ramesh Jain
EDBT
2009
ACM
162views Database» more  EDBT 2009»
14 years 2 months ago
A data model for trip planning in multimodal transportation systems
This paper introduces the problem of modeling urban transportation systems in a database where certain aspects of the data are probabilistic in nature. The transportation network ...
Joel Booth, A. Prasad Sistla, Ouri Wolfson, Isabel...