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CORR
2010
Springer
151views Education» more  CORR 2010»
13 years 9 months ago
Dynamic Range Reporting in External Memory
In this paper we describe a dynamic external memory data structure that supports range reporting queries in three dimensions in O(log2 B N + k B ) I/O operations, where k is the nu...
Yakov Nekrich
COCOON
2005
Springer
14 years 4 months ago
Opportunistic Data Structures for Range Queries
Abstract In this paper, we study the problem of supporting range sum queries on a compressed sequence of values. For a sequence of n k-bit integers, k ≤ O(log n), our data struct...
Chung Keung Poon, Wai Keung Yiu
WWW
2007
ACM
14 years 12 months ago
Query topic detection for reformulation
In this paper, we show that most multiple term queries include more than one topic and users usually reformulate their queries by topics instead of terms. In order to provide empi...
Xuefeng He, Jun Yan, Jinwen Ma, Ning Liu, Zheng Ch...
ICDE
2007
IEEE
121views Database» more  ICDE 2007»
14 years 5 months ago
dmFSQL: a Server for Data Mining
At present, we have proceeded to extend SQL into a new language called dmFSQL (data mining Fuzzy Structured Query Language) which can be used to solve real problems of Data Mining...
Ramón Alberto Carrasco, María Amparo...
WSDM
2012
ACM
236views Data Mining» more  WSDM 2012»
12 years 6 months ago
Effective query formulation with multiple information sources
Most standard information retrieval models use a single source of information (e.g., the retrieval corpus) for query formulation tasks such as term and phrase weighting and query ...
Michael Bendersky, Donald Metzler, W. Bruce Croft