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» Implementing Data Cubes Efficiently
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ICDE
2008
IEEE
194views Database» more  ICDE 2008»
14 years 11 months ago
P-Cube: Answering Preference Queries in Multi-Dimensional Space
Many new applications that involve decision making need online (i.e., OLAP-styled) preference analysis with multidimensional boolean selections. Typical preference queries includes...
Dong Xin, Jiawei Han
VLDB
1989
ACM
98views Database» more  VLDB 1989»
14 years 1 months ago
A Family of Incomplete Relational Database Models
In this paper. we utilize intervals for unknown values in incompleterelational databases.We usetablesto representunknown relations. First, we define three partial tuple types in a...
Adegbemiga Ola, Gultekin Özsoyoglu
ICWE
2010
Springer
13 years 12 months ago
Designing Service Marts for Engineering Search Computing Applications
: The use of patterns in data management is not new: in data warehousing, data marts are simple conceptual schemas with exactly one core entity, describing facts, surrounded by mul...
Alessandro Campi, Stefano Ceri, Andrea Maesani, St...
JDCTA
2010
464views more  JDCTA 2010»
13 years 4 months ago
A New Agglomerative Hierarchical Clustering Algorithm Implementation based on the Map Reduce Framework
Text clustering is one of the difficult and hot research fields in the text mining research. Combing Map Reduce framework and the neuron initialization method of VPSOM (vector pre...
Hui Gao, Jun Jiang, Li She, Yan Fu
VLDB
1998
ACM
180views Database» more  VLDB 1998»
14 years 2 months ago
nD-SQL: A Multi-Dimensional Language for Interoperability and OLAP
We propose a multi-dimensional language called nD-SQL with the following features: (i) nD-SQL supports queries that interoperate amongst multiple relational sources with heterogen...
Frédéric Gingras, Laks V. S. Lakshma...