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ICDE
2007
IEEE
178views Database» more  ICDE 2007»
16 years 7 months ago
Top-k Spatial Preference Queries
A spatial preference query ranks objects based on the qualities of features in their spatial neighborhood. For example, consider a real estate agency office that holds a database ...
Man Lung Yiu, Xiangyuan Dai, Nikos Mamoulis, Micha...
WWW
2007
ACM
16 years 7 months ago
BlogScope: spatio-temporal analysis of the blogosphere
We present BlogScope (www.blogscope.net), a system for analyzing the Blogosphere. BlogScope is an information discovery and text analysis system that offers a set of unique featur...
Nilesh Bansal, Nick Koudas
EDBT
2006
ACM
129views Database» more  EDBT 2006»
16 years 6 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
ICDE
2010
IEEE
209views Database» more  ICDE 2010»
16 years 1 months ago
TopCells: Keyword-based search of top-k aggregated documents in text cube
— Previous studies on supporting keyword queries in RDBMSs provide users with a ranked list of relevant linked structures (e.g. joined tuples) or individual tuples. In this paper...
Bolin Ding, Bo Zhao, Cindy Xide Lin, Jiawei Han, C...
VTC
2008
IEEE
157views Communications» more  VTC 2008»
16 years 25 days ago
Performance of MIMO Aware RRM in Downlink OFDMA
— This paper addresses advanced radio resource management (RRM) algorithms for multiple-input multipleoutput (MIMO) transmission schemes in downlink OFDMA systems. The analysis c...
István Z. Kovács, Markku Kuusela, El...