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ITCC
2002
IEEE
15 years 11 months ago
Improve Precategorized Collection Retrieval by Using Supervised Term Weighting Schemes
The emergence of the world-wide-web has led to an increased interest in methods for searching for information. A key characteristic of many of the online document collections is t...
Ying Zhao, George Karypis
PDP
2002
IEEE
15 years 11 months ago
A Hardware-Accelerated Novel IR System
AURA (Advanced Uncertain Reasoning Architecture) is a generic family of techniques and implementations intended for high-speed approximate search and match operations on large uns...
Michael Weeks, Victoria J. Hodge, Jim Austin
FOCS
2000
IEEE
15 years 10 months ago
The Randomness Recycler: A New Technique for Perfect Sampling
For many probability distributions of interest, it is quite difficult to obtain samples efficiently. Often, Markov chains are employed to obtain approximately random samples fro...
James Allen Fill, Mark Huber
SIGMOD
1998
ACM
150views Database» more  SIGMOD 1998»
15 years 10 months ago
Extracting Schema from Semistructured Data
Semistructured data is characterized by the lack of any fixed and rigid schema, although typically the data hassomeimplicitstructure. While thelack offixedschemamakesextracting ...
Svetlozar Nestorov, Serge Abiteboul, Rajeev Motwan...
ECRIME
2007
15 years 10 months ago
Fishing for phishes: applying capture-recapture methods to estimate phishing populations
We estimate of the extent of phishing activity on the Internet via capture-recapture analysis of two major phishing site reports. Capture-recapture analysis is a population estima...
Rhiannon Weaver, M. Patrick Collins