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» Minimization of tree pattern queries with constraints
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WEBDB
2010
Springer
167views Database» more  WEBDB 2010»
13 years 10 months ago
Tree patterns with Full Text Search
Tree patterns with full text search form the core of both XQuery Full Text and the NEXI query language. On such queries, users expect a relevance-ranked list of XML elements as an...
Maria-Hendrike Peetz, Maarten Marx
SIGMOD
1999
ACM
132views Database» more  SIGMOD 1999»
13 years 9 months ago
Mind Your Vocabulary: Query Mapping Across Heterogeneous Information Sources
In this paper we present a mechanism for translating constraint queries, i.e., Boolean expressions of constraints, across heterogeneous information sources. Integrating such syste...
Kevin Chen-Chuan Chang, Hector Garcia-Molina
AMAI
1999
Springer
13 years 5 months ago
STCSP - Structured Temporal Constraint satisfaction Problems
Temporal Constraint Satisfaction Problems (TCSP) is a well known approach for representing and processing temporal knowledge. Important properties of the knowledge can be inferred...
Mira Balaban, Tzachi Rosen
DKE
2007
101views more  DKE 2007»
13 years 5 months ago
Parameterized pattern queries
We introduce parameterized pattern queries as a new paradigm to extend traditional pattern expressions over sequence databases. A parameterized pattern is essentially a string mad...
Cédric du Mouza, Philippe Rigaux, Michel Sc...
PR
2007
81views more  PR 2007»
13 years 4 months ago
Graph embedding using tree edit-union
In this paper we address the problem of how to learn a structural prototype that can be used to represent the variations present in a set of trees. The prototype serves as a patte...
Andrea Torsello, Edwin R. Hancock