148 search results - page 19 / 30 » Query Selectivity Estimation for Uncertain Data |
INFOCOM
2005
IEEE
14 years 1 months ago
2005
IEEE
— Estimation of network proximity among nodes is an important building block in several applications like service selection and composition, multicast tree formation, and overlay...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract-- This work presents a novel index structure, MHRtree, for efficiently answering approximate string match queries in large spatial databases. The MHR-tree is based on the ...
VLDB
2002
ACM
13 years 7 months ago
2002
ACM
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...
PODS
2002
ACM
14 years 7 months ago
2002
ACM
We consider the fundamental operation of applying a conjunction of selection conditions to a set of records. With large main memories available cheaply, systems may choose to keep...
ICML
2005
IEEE
14 years 8 months ago
2005
IEEE
Hidden Markov Models (HMMs) model sequential data in many fields such as text/speech processing and biosignal analysis. Active learning algorithms learn faster and/or better by cl...