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101
Voted
WWW
2002
ACM
16 years 3 months ago
Searching with numbers
A large fraction of the useful web comprises of specification documents that largely consist of hattribute name, numeric valuei pairs embedded in text. Examples include product in...
Rakesh Agrawal, Ramakrishnan Srikant
106
Voted
SIGMOD
2003
ACM
141views Database» more  SIGMOD 2003»
16 years 2 months ago
QC-Trees: An Efficient Summary Structure for Semantic OLAP
Recently, a technique called quotient cube was proposed as a summary structure for a data cube that preserves its semantics, with applications for online exploration and visualiza...
Laks V. S. Lakshmanan, Jian Pei, Yan Zhao
PODS
2006
ACM
122views Database» more  PODS 2006»
16 years 2 months ago
Space- and time-efficient deterministic algorithms for biased quantiles over data streams
Skew is prevalent in data streams, and should be taken into account by algorithms that analyze the data. The problem of finding "biased quantiles"-- that is, approximate...
Graham Cormode, Flip Korn, S. Muthukrishnan, Dives...
107
Voted
FOCS
2008
IEEE
15 years 9 months ago
Noise Tolerance of Expanders and Sublinear Expander Reconstruction
We consider the problem of online sublinear expander reconstruction and its relation to random walks in “noisy” expanders. Given access to an adjacency list representation of ...
Satyen Kale, Yuval Peres, C. Seshadhri
ADBIS
2008
Springer
219views Database» more  ADBIS 2008»
15 years 9 months ago
Data Stream Analysis for Location-Aware Collaborative Information Retrieval
Abstract. We propose a new approach for enhancing collaborative information retrieval by means of incorporating positional data for a location-aware personalized retrieval process....
Andreas Behrend, Frank Reichartz, Christian Dorau,...