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» Querying spatial patterns
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170
Voted
JCDL
2010
ACM
259views Education» more  JCDL 2010»
15 years 9 months ago
Exploiting time-based synonyms in searching document archives
Query expansion of named entities can be employed in order to increase the retrieval effectiveness. A peculiarity of named entities compared to other vocabulary terms is that they...
Nattiya Kanhabua, Kjetil Nørvåg
KDD
2012
ACM
185views Data Mining» more  KDD 2012»
13 years 7 months ago
A framework for summarizing and analyzing twitter feeds
The firehose of data generated by users on social networking and microblogging sites such as Facebook and Twitter is enormous. Real-time analytics on such data is challenging wit...
Xintian Yang, Amol Ghoting, Yiye Ruan, Srinivasan ...
EDBT
2006
ACM
129views Database» more  EDBT 2006»
16 years 4 months ago
Efficient Quantile Retrieval on Multi-dimensional Data
Given a set of N multi-dimensional points, we study the computation of -quantiles according to a ranking function F, which is provided by the user at runtime. Specifically, F compu...
Man Lung Yiu, Nikos Mamoulis, Yufei Tao
139
Voted
ADBIS
1999
Springer
80views Database» more  ADBIS 1999»
15 years 9 months ago
S*-Tree: An Improved S+-Tree for Coloured Images
In this paper we propose and analyze a new spatial access method, namely the S∗ -tree, for the efficient secondary memory encoding and manipulation of images containing multiple ...
Enrico Nardelli, Guido Proietti
SSD
1993
Springer
237views Database» more  SSD 1993»
15 years 8 months ago
A Small Set of Formal Topological Relationships Suitable for End-User Interaction
Topological relationships between spatial objects represent important knowledge that users of geographic information systems expect to retrieve from a spatial database. A di cult t...
Eliseo Clementini, Paolino Di Felice, Peter van Oo...