Probabilistic mappings - PowerPoint PPT Presentation

Data Integration with Uncertainty

Data Integration with Uncertainty. Xin (Luna) Dong Alon Halevy Cong Yu Univ. of Washington Google Inc. Univ. of Michigan @ VLDB 2007. D5. D1. D2. D4. D3. Many Applications Need to Manage Heterogeneous Data Sources. Mediated Schema. D5. D1. D2. D4. D3.

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443 views • 34 slides

Data Integration with Uncertainty

Data Integration with Uncertainty. Xin (Luna) Dong Alon Halevy Cong Yu Univ. of Washington Google Inc. Univ. of Michigan @ VLDB 2007. Mediated Schema. D5. D1. D2. D4. D3. Querying on Traditional Data Integration Systems. Q. Q. Q. Q. Q 5. Q 1. Q 4. Q 2. Q. Q.

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409 views • 30 slides

OMEN: A Probabilistic Ontology Mapping Tool

OMEN: A Probabilistic Ontology Mapping Tool. Mitra et al. Mapping of two different ontologies. The Problem. We need to map databases or ontologies. The Problem. Mapping is difficult Most mapping tools are imprecise Even experts could be uncertain We deal with probabilistic mappings.

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392 views • 21 slides

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