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VLDB
2002
ACM
161views Database» more  VLDB 2002»
13 years 7 months ago
Distributed Search over the Hidden Web: Hierarchical Database Sampling and Selection
Many valuable text databases on the web have non-crawlable contents that are "hidden" behind search interfaces. Metasearchers are helpful tools for searching over many s...
Panagiotis G. Ipeirotis, Luis Gravano
WEBDB
2000
Springer
131views Database» more  WEBDB 2000»
13 years 11 months ago
Automatic Classification of Text Databases Through Query Probing
Many text databases on the web are "hidden" behind search interfaces, and their documents are only accessible through querying. Search engines typically ignore the conte...
Panagiotis G. Ipeirotis, Luis Gravano, Mehran Saha...
CPM
1999
Springer
107views Combinatorics» more  CPM 1999»
13 years 12 months ago
A General Practical Approach to Pattern Matching over Ziv-Lempel Compressed Text
We address the problem of string matching on Ziv-Lempel compressed text. The goal is to search a pattern in a text without uncompressing it. This is a highly relevant issue to keep...
Gonzalo Navarro, Mathieu Raffinot
ISI
2003
Springer
14 years 24 days ago
PROGENIE: Biographical Descriptions for Intelligence Analysis
Intelligence analysts face the need for immediate, up-to-date information about individuals of interest. While biographies can be written and stored in text databases, we argue tha...
Pablo Ariel Duboué, Kathleen McKeown, Vasil...
ICDE
2009
IEEE
131views Database» more  ICDE 2009»
14 years 9 months ago
Exploring a Few Good Tuples from Text Databases
Information extraction from text databases is a useful paradigm to populate relational tables and unlock the considerable value hidden in plain-text documents. However, information...
Alpa Jain, Divesh Srivastava