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Case Study: BibFinder PowerPoint PPT Presentation

Case Study: BibFinder - Integrating 8 online sources: DBLP, ACM DL, ACM ... More than 58000 real user queries collected. Mediated schema ... select sources greedily, one after ...

Integrating 8 online sources: DBLP, ACM DL, ACM ... More than 58000 real user queries collected. Mediated schema ... select sources greedily, one after ...

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Information - The end-game: 3 options. Have an in-class final exam. 5/8 2:30pm is the designated time ... SIMS/Ariadne (USC/ISI) Emerac/Havasu (ASU) BibFinder (ASU) ...

The end-game: 3 options. Have an in-class final exam. 5/8 2:30pm is the designated time ... SIMS/Ariadne (USC/ISI) Emerac/Havasu (ASU) BibFinder (ASU) ...

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Query Processing in Data Integration (Gathering and Using Source Statistics) PowerPoint PPT Presentation

Query Processing in Data Integration (Gathering and Using Source Statistics) - Map the schemas on to the mediator schema. Reformulate the user ... Idea1: Focus on only frequently asked queries. Idea 2: Store statistics w.r.t. query classes ...

Map the schemas on to the mediator schema. Reformulate the user ... Idea1: Focus on only frequently asked queries. Idea 2: Store statistics w.r.t. query classes ...

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5/4: Final Agenda PowerPoint PPT Presentation

5/4: Final Agenda - How search engines work and why are some better than others ... This music, a bit on p2p. This review. Two points on custom portals. ...

How search engines work and why are some better than others ... This music, a bit on p2p. This review. Two points on custom portals. ...

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Eresearch a quick romp through some useful tools PowerPoint PPT Presentation

Eresearch a quick romp through some useful tools - 'self-obsessive diaries' Chronologically ordered postings on a web page ... Supports diary format. Rapid, fits with fragmented working patterns. Example ...

'self-obsessive diaries' Chronologically ordered postings on a web page ... Supports diary format. Rapid, fits with fragmented working patterns. Example ...

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Information Integration PowerPoint PPT Presentation

Information Integration - Level of up-front work: Ad hoc vs. pre-orchestrated ... hoc vs. Pre-orchestrated. Fully ... Fully pre-fixed II. Decide on the only query you want to support ...

Level of up-front work: Ad hoc vs. pre-orchestrated ... hoc vs. Pre-orchestrated. Fully ... Fully pre-fixed II. Decide on the only query you want to support ...

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Subbarao Kambhampati PowerPoint PPT Presentation

Subbarao Kambhampati - Durative) (Full vs. Partial satisfaction) The $ Question ... Durative. Temporal Reasoning. Continuous. Numeric Constraint reasoning (LP/ILP) Stochastic ...

Durative) (Full vs. Partial satisfaction) The $ Question ... Durative. Temporal Reasoning. Continuous. Numeric Constraint reasoning (LP/ILP) Stochastic ...

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Issues in Bridging DB PowerPoint PPT Presentation

Issues in Bridging DB - Homework III solutions online. Demos tomorrow (instructions will be mailed by the end of the class) ... Conference='WISE' Title='web technology' Title='e ...

Homework III solutions online. Demos tomorrow (instructions will be mailed by the end of the class) ... Conference='WISE' Title='web technology' Title='e ...

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Information Integration Semantic Web done in Bottomup manner PowerPoint PPT Presentation

Information Integration Semantic Web done in Bottomup manner - User queries refer to the mediated schema. Data is stored in the sources in a local schema. ... Closed world assumption vs. open world? Kambhampati & Knoblock ...

User queries refer to the mediated schema. Data is stored in the sources in a local schema. ... Closed world assumption vs. open world? Kambhampati & Knoblock ...

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Adaptive Query Processing for Data Aggregation: - Adaptive Query Processing for Data Aggregation: Mining, Using and Maintaining Source ... Option2: aggregating multi-dimension vectors into scalar utility values ...

Adaptive Query Processing for Data Aggregation: Mining, Using and Maintaining Source ... Option2: aggregating multi-dimension vectors into scalar utility values ...

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