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SMC
2010
IEEE
198views Control Systems» more  SMC 2010»
15 years 26 days ago
Deep web data extraction
—Deep Web contents are accessed by queries submitted to Web databases and the returned data records are enwrapped in dynamically generated Web pages (they will be called deep Web...
Jer Lang Hong
SIGMOD
2008
ACM
122views Database» more  SIGMOD 2008»
16 years 2 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
108
Voted
SODA
2010
ACM
175views Algorithms» more  SODA 2010»
15 years 12 months ago
Optimally Reconstructing Weighted Graphs Using Queries
d Abstract) Hanna Mazzawi Technion - Israel Institute of Technology In this paper, we consider the problem of reconstructing a hidden graph with m edges using additive queries. Gi...
Hanna Mazzawi
SIGMOD
1995
ACM
80views Database» more  SIGMOD 1995»
15 years 6 months ago
Join Queries with External Text Sources: Execution and Optimization Techniques
Text is a pervasive information type, and many applications require querying over text sources in addition to structured data. This paper studies the problem of query processing i...
Surajit Chaudhuri, Umeshwar Dayal, Tak W. Yan
NIPS
2008
15 years 3 months ago
Estimating Robust Query Models with Convex Optimization
Query expansion is a long-studied approach for improving retrieval effectiveness by enhancing the user's original query with additional related words. Current algorithms for ...
Kevyn Collins-Thompson