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Rozeva - Google Patents

Performing OLAP Operations in Data Cube with Dimensions Having Irregular Hierarchical Relationships

Rozeva

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Document ID
4746682829657045450
Author
Rozeva A

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Snippet

OLAP provides for analysis of large collections of historical factual data aggregated by the levels of hierarchically structured dimensions. In case that a hierarchy is irregular aggregation results will be incorrect. Algorithms for rendering irregular hierarchies …
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Classifications

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    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
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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
    • G06F17/30442—Query optimisation
    • G06F17/30448—Query rewriting and transformation
    • G06F17/30463—Plan optimisation
    • G—PHYSICS
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    • G06F17/30477—Query execution
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    • G06F17/30486—Unary operations; data partitioning operations
    • G—PHYSICS
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    • G06F17/30386—Retrieval requests
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    • G06F17/30398—Query predicate definition using graphical user interfaces, including menus and forms
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
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    • G06F17/30592—Multi-dimensional databases and data warehouses, e.g. MOLAP, ROLAP
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    • G06F17/30312—Storage and indexing structures; Management thereof
    • G06F17/30321—Indexing structures
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    • G06F17/30946—Information retrieval; Database structures therefor; File system structures therefor details of database functions independent of the retrieved data type indexing structures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10S707/99931—Database or file accessing
    • Y10S707/99933—Query processing, i.e. searching
    • Y10S707/99934—Query formulation, input preparation, or translation

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