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ER
2001
Springer
148views Database» more  ER 2001»
13 years 11 months ago
On the Automatic Extraction of Data from the Hidden Web
An increasing amount of Web data is accessible only by filling out HTML forms to query an underlying data source. While this is most welcome from a user perspective (queries are e...
Stephen W. Liddle, Sai Ho Yau, David W. Embley
SIGMOD
2004
ACM
92views Database» more  SIGMOD 2004»
14 years 7 months ago
Online Maintenance of Very Large Random Samples
Random sampling is one of the most fundamental data management tools available. However, most current research involving sampling considers the problem of how to use a sample, and...
Chris Jermaine, Abhijit Pol, Subramanian Arumugam