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SIGMOD
2008
ACM
134views Database» more  SIGMOD 2008»
16 years 7 months ago
SystemT: a system for declarative information extraction
As applications within and outside the enterprise encounter increasing volumes of unstructured data, there has been renewed interest in the area of information extraction (IE) ? t...
Rajasekar Krishnamurthy, Yunyao Li, Sriram Raghava...
SIGMOD
2002
ACM
148views Database» more  SIGMOD 2002»
16 years 7 months ago
Accelerating XPath location steps
This work is a proposal for a database index structure that has been specifically designed to support the evaluation of XPath queries. As such, the index is capable to support all...
Torsten Grust
MFCS
2009
Springer
16 years 1 months ago
Query Automata for Nested Words
We study visibly pushdown automata (VPA) models for expressing and evaluating queries, expressed using MSO formulas, on words with a nesting structure (like XML documents). We deļ...
P. Madhusudan, Mahesh Viswanathan
EDBT
2010
ACM
202views Database» more  EDBT 2010»
16 years 1 months ago
Querying trajectories using flexible patterns
The wide adaptation of GPS and cellular technologies has created many applications that collect and maintain large repositories of data in the form of trajectories. Previous work ...
Marcos R. Vieira, Petko Bakalov, Vassilis J. Tsotr...
168
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TOOLS
1999
IEEE
15 years 11 months ago
Bounding Component Behavior via Protocols
In this paper we enhance the SOFA Component Description Language with a semantic description of a component's functionality. There are two key requirements this description a...
Frantisek Plasil, Milos Besta, Stanislav Visnovsky