687 search results - page 30 / 138 » Query Transformation for PSJ-Queries |
SIGMOD
2011
ACM
12 years 11 months ago
2011
ACM
This demo shows how usage information buried in query logs can play a central role in data integration and data exchange. More specifically, our system U-Map uses query logs to g...
EDBT
2002
ACM
14 years 8 months ago
2002
ACM
Abstract. We present a simple query language for XML, which supports hierarchical, Boolean-connected query patterns. The interpretation of a query is founded on cost-based query tr...
DMSN
2007
ACM
14 years 17 days ago
2007
ACM
Many sensor network applications monitor continuous phenomena by sampling, and fit time-varying models that capture the phenomena's behaviors. We introduce Pulse, a framework...
JOT
2010
13 years 7 months ago
2010
Abstract The integration of database and programming languages is difficult due to the different data models and type systems prevalent in each field. We present a solution wher...
BDA
2001
13 years 10 months ago
2001
A Community Web portal is a set of tools for a community of people who want to share information on a certain domain via the Web. The backbone of this system is an ontology which ...