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» Managing Expressions as Data in Relational Database Systems
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FUIN
2008
136views more  FUIN 2008»
15 years 6 months ago
Multi-Dimensional Relational Sequence Mining
The issue addressed in this paper concerns the discovery of frequent multi-dimensional patterns from relational sequences. The great variety of applications of sequential pattern m...
Floriana Esposito, Nicola Di Mauro, Teresa Maria A...
SIGMOD
2012
ACM
202views Database» more  SIGMOD 2012»
13 years 9 months ago
MCJoin: a memory-constrained join for column-store main-memory databases
There exists a need for high performance, read-only mainmemory database systems for OLAP-style application scenarios. Most of the existing works in this area are centered around t...
Steven Keith Begley, Zhen He, Yi-Ping Phoebe Chen
DOLAP
2005
ACM
15 years 8 months ago
A relevance-extended multi-dimensional model for a data warehouse contextualized with documents
Current data warehouse and OLAP technologies can be applied to analyze the structured data that companies store in their databases. The circumstances that describe the context ass...
Juan Manuel Pérez, Rafael Berlanga Llavori,...
INFSOF
2006
117views more  INFSOF 2006»
15 years 6 months ago
A high concurrency XPath-based locking protocol for XML databases
Providing efficient access to XML documents becomes crucial in XML database systems. More and more concurrency control protocols for XML database systems were proposed in the past...
Kuen-Fang Jack Jea, Shih-Ying Chen
DAWAK
2005
Springer
16 years 4 days ago
Efficient Compression of Text Attributes of Data Warehouse Dimensions
This paper proposes the compression of data in Relational Database Management Systems (RDBMS) using existing text compression algorithms. Although the technique proposed is general...
Jorge Vieira, Jorge Bernardino, Henrique Madeira