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17

SAC
2005
ACM

124views Applied Computing» more SAC 2005»

An information theoretic histogram for single dimensional selectivity estimation

13 years 10 months ago

: We study the problem of one dimensional selectivity estimation in relational databases. We introduce a new type of histogram based on information theory. We compare our histogram...

Chris Giannella, Bassem Sayrafi

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13

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PODS
2005
ACM

99views Database» more PODS 2005»

XML type checking with macro tree transducers

14 years 5 months ago

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MSO logic on unranked trees has been identified as a convenient theoretical framework for reasoning about expressiveness and implementations of practical XML query languages. As a...

Sebastian Maneth, Alexandru Berlea, Thomas Perst, ...

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15

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ENC
2005
IEEE

115views Theoretical Computer Science» more ENC 2005»

Combining Structural and Textual Contexts for Compressing Semistructured Databases

13 years 10 months ago

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We describe a compression technique for semistructured documents, called SCMPPM, which combines the Prediction by Partial Matching technique with Structural Contexts Model (SCM) t...

Joaquín Adiego, Pablo de la Fuente, Gonzalo...

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36

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ACMSE
2007
ACM

301views Theoretical Computer Science» more ACMSE 2007»

Hierarchical land cover information retrieval in object-oriented remote sensing image databases with native queries

13 years 9 months ago

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Classification and change detection of land cover types in the remotely sensed images is one of the major applications in remote sensing. This paper presents a hierarchical framew...

Jiang Li

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9

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SIGMOD
2004
ACM

144views Database» more SIGMOD 2004»

Information-Theoretic Tools for Mining Database Structure from Large Data Sets

14 years 5 months ago