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» Relational queries over interpreted structures
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281
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SIGMOD
2007
ACM
413views Database» more  SIGMOD 2007»
16 years 4 months ago
Effective keyword-based selection of relational databases
The wide popularity of free-and-easy keyword based searches over World Wide Web has fueled the demand for incorporating keyword-based search over structured databases. However, mo...
Bei Yu, Guoliang Li, Karen R. Sollins, Anthony K. ...
SIGMOD
2006
ACM
194views Database» more  SIGMOD 2006»
16 years 4 months ago
Graph-based synopses for relational selectivity estimation
This paper introduces the Tuple Graph (TuG) synopses, a new class of data summaries that enable accurate selectivity estimates for complex relational queries. The proposed summari...
Joshua Spiegel, Neoklis Polyzotis
109
Voted
ICDAR
2003
IEEE
15 years 9 months ago
Symbolic Pruning in a Structural Approach to Engineering Drawing Analysis
Interpretation of paper drawings has received a good deal of attention over the last decade. Progress has also been made in related areas such as direct interpretation of human dr...
Tom Henderson, Lavanya Swaminatha
JAIR
2008
173views more  JAIR 2008»
15 years 4 months ago
Creating Relational Data from Unstructured and Ungrammatical Data Sources
In order for agents to act on behalf of users, they will have to retrieve and integrate vast amounts of textual data on the World Wide Web. However, much of the useful data on the...
Matthew Michelson, Craig A. Knoblock
SIGMOD
2008
ACM
122views Database» more  SIGMOD 2008»
16 years 4 months ago
Building query optimizers for information extraction: the SQoUT project
Text documents often embed data that is structured in nature. This structured data is increasingly exposed using information extraction systems, which generate structured relation...
Alpa Jain, Panagiotis G. Ipeirotis, Luis Gravano