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Theodoratos, 2003 - Google Patents

Exploiting hierarchical clustering in evaluating multidimensional aggregation queries

Theodoratos, 2003

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Document ID
823242059733595078
Author
Theodoratos D
Publication year
Publication venue
Proceedings of the 6th ACM International Workshop on Data Warehousing and OLAP

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Snippet

Multidimensional aggregation queries constitute the single most important class of queries for data warehousing applications and decision support systems. The bottleneck in the evaluation of these queries is the join of the usually huge fact table with the restricted …
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Classifications

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    • G06F17/30286—Information retrieval; Database structures therefor; File system structures therefor in structured data stores
    • G06F17/30386—Retrieval requests
    • G06F17/30424—Query processing
    • G06F17/30477—Query execution
    • G06F17/30483—Query execution of query operations
    • G06F17/30486—Unary operations; data partitioning operations
    • G06F17/30489—Aggregation and duplicate elimination
    • G—PHYSICS
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
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