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» Semantics of Database Transformations
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VLDB
2011
ACM
251views Database» more  VLDB 2011»
13 years 2 months ago
Harvesting relational tables from lists on the web
A large number of web pages contain data structured in the form of “lists”. Many such lists can be further split into multi-column tables, which can then be used in more seman...
Hazem Elmeleegy, Jayant Madhavan, Alon Y. Halevy
POPL
2011
ACM
12 years 10 months ago
Making prophecies with decision predicates
We describe a new algorithm for proving temporal properties expressed in LTL of infinite-state programs. Our approach takes advantage of the fact that LTL properties can often be...
Byron Cook, Eric Koskinen
SIGMOD
2011
ACM
242views Database» more  SIGMOD 2011»
12 years 10 months ago
The SystemT IDE: an integrated development environment for information extraction rules
Information Extraction (IE) — the problem of extracting structured information from unstructured text — has become the key enabler for many enterprise applications such as sem...
Laura Chiticariu, Vivian Chu, Sajib Dasgupta, Thil...
ICSE
2008
IEEE-ACM
14 years 8 months ago
A verification system for timed interval calculus
Timed Interval Calculus (TIC) is a highly expressive set-based notation for specifying and reasoning about embedded real-time systems. However, it lacks mechanical proving support...
Chunqing Chen, Jin Song Dong, Jun Sun 0001
WWW
2009
ACM
14 years 8 months ago
Automated construction of web accessibility models from transaction click-streams
Screen readers, the dominant assistive technology used by visually impaired people to access the Web, function by speaking out the content of the screen serially. Using screen rea...
Jalal Mahmud, Yevgen Borodin, I. V. Ramakrishnan, ...