About
Organized by Yahoo! Research Barcelona and the Web Research Group of the Department of Technology, Universitat Pompeu Fabra.
More information can be found at the workshop webiste.
Videos
Welcome

Introduction
Feb 25, 2007
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3641 views
Lectures: Link Analysis

Using Rank Propagation and Probabilistic Counting for Link-based Spam Detection
Feb 25, 2007
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7987 views

Theoretical analysis of Link Analysis Ranking
Feb 25, 2007
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5625 views

Searching the Web with Low Space Approximations
Feb 25, 2007
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2933 views

Graph Fibrations, graph isomorphism and PageRank
Feb 25, 2007
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6143 views
Lectures: Algorithmics

Mixture Models and Collaborative Filtering Algorithms
Feb 25, 2007
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6639 views

Efficient Lazy Algorithms for Minimal-Interval Semantics
Feb 25, 2007
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6543 views

Estimating Corpus Size via Queries
Feb 25, 2007
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3765 views

Compact indexing of versioned data
Feb 25, 2007
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6615 views

Music of the (p)Spheres
Feb 25, 2007
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5426 views
Keynote talk

Efficient Top-k Queries for XML Information Retrieval
Feb 25, 2007
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5584 views
Lectures: Retrieval Foundations

Ongoing research on sentence retrieval and novelty detection
Feb 25, 2007
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3414 views

Applications of Influence Diagrams to Information Retrieval
Feb 25, 2007
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4536 views

"Tuning": Error Optimisation in Ad-Hoc Retrieval
Feb 25, 2007
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3124 views
Lectures: Structured Retrieval

(Semantic) Structure in Structured Document Retrieval
Feb 25, 2007
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5633 views

Flexible XML Retrieval using Summaries
Feb 25, 2007
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3153 views

Exploiting Temporal Features for Structured Queries
Feb 25, 2007
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3240 views

XML Compression and Search
Feb 25, 2007
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3849 views
Lectures: Search in Other Environments

Efficient and Decentralized PageRank Approximation in a P2P Web Search Network
Feb 25, 2007
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5923 views

Image Search "Live"
Feb 25, 2007
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3371 views

Semantic Overlay Networks for P2P Web Search
Feb 25, 2007
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5418 views

Mobile Search on Ubiquitous Collaborative Annotations of Space
Feb 25, 2007
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3148 views
Lectures: Web Search and Mining

Current Approaches to Personalized Web Search
Feb 25, 2007
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7131 views

Applications of Query Mining
Feb 25, 2007
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10003 views

Web mining for natural language engineering tasks
Feb 25, 2007
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4929 views

Boosting Performance of Web Search Engines Using Query Logs
Feb 25, 2007
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5789 views
Keynote talk

From query based Information Retrieval to context driven Information Supply
Feb 25, 2007
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6777 views