146 search results - page 19 / 30 » Rewriting of Regular Expressions and Regular Path Queries |
LREC
2008
14 years 11 months ago
2008
We describe a web-based corpus query system, Glossa, which combines the expressiveness of regular query languages with the user-friendliness of a graphical interface. Since corpus...
157
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SIGMOD
2008
ACM
15 years 9 months ago
2008
ACM
Pattern matching over event streams is increasingly being employed in many areas including financial services, RFIDbased inventory management, click stream analysis, and electroni...
105
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PLANX
2007
14 years 11 months ago
2007
We present an algorithm to solve XPath decision problems under regular tree type constraints and show its use to statically typecheck XPath queries. To this end, we prove the deci...
79
Voted
SAC
2008
ACM
14 years 9 months ago
2008
ACM
We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language t...
EDBT
2010
ACM
15 years 4 months ago
2010
ACM
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 ...