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CIKM
1993
Springer
15 years 8 months ago
Browsing and Querying in Object-Oriented Database
We present a new interface for Object-Oriented Database Management Systems (OODBMSs). The GOODIES1 system combines and expands the functions of many existing interface systems, in...
Juliano Lopes de Oliveira, Ricardo de Oliveira Ani...
DEXA
2008
Springer
154views Database» more  DEXA 2008»
15 years 6 months ago
Approximate Range-Sum Queries over Data Cubes Using Cosine Transform
In this research, we propose to use the discrete cosine transform to approximate the cumulative distributions of data cube cells' values. The cosine transform is known to have...
Wen-Chi Hou, Cheng Luo, Zhewei Jiang, Feng Yan, Qi...
BNCOD
1997
111views Database» more  BNCOD 1997»
15 years 5 months ago
Improved and Optimized Partitioning Techniques in Database Query Processing
Abstract. In this paper we present two improvements to the partitioning process: 1) A new dynamic bu er management strategy is employed to increase the average block size of I/O-tr...
Kjell Bratbergsengen, Kjetil Nørvåg
TKDE
2010
274views more  TKDE 2010»
15 years 2 months ago
Ranked Query Processing in Uncertain Databases
—Recently, many new applications, such as sensor data monitoring and mobile device tracking, raise up the issue of uncertain data management. Compared to “certain” data, the ...
Xiang Lian, Lei Chen 0002
SIGMOD
2006
ACM
238views Database» more  SIGMOD 2006»
16 years 4 months ago
Continuous monitoring of top-k queries over sliding windows
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...
Kyriakos Mouratidis, Spiridon Bakiras, Dimitris Pa...