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ICDT
2007
ACM
14 years 13 days ago
2007
ACM
Abstract. Schema mappings play a central role in both data integration and data exchange, and are understood as high-level specifications describing the relationships between data...
ICDT
2007
ACM
14 years 13 days ago
2007
ACM
Information integration is becoming a critical problem for businesses and individuals alike. Data volumes are sky-rocketing, and new sources and types of information are proliferat...
ICDT
2007
ACM
13 years 10 months ago
2007
ACM
Uncertain information is commonplace in real-world data management scenarios. The ability to represent large sets of possible instances (worlds) while supporting efficient storage ...
ICDT
2007
ACM
14 years 13 days ago
2007
ACM
Moving objects produce trajectories. We describe a data model for trajectories and trajectory samples and an efficient way of modeling uncertainty via beads for trajectory samples....
ICDT
2007
ACM
14 years 13 days ago
2007
ACM
In this paper, we introduce preferential regular path queries. These are regular path queries whose symbols are annotated with preference weights for “scaling” up or down the i...