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Research at Open Systems Lab IIIT Bangalore http://osl.iiitb.ac.in/
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Broad Areas Co-occurrence analyses
Multi-agent approaches for (database related) optimization
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Co-occurrence Analyses
Using models of semantic memory from cognitive psychology to extract latent semantics in document collections Graphs depicting higher-order inferences Co-occurrence (labeled) graph Document corpus
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Co-occurrence graph Captures pair-wise co-occurrences across different typed entities Entity types Nouns (Person, Institution, Place, Country, etc.) Tags URLs Phrases
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Higher-order inferences
Topic anchors Topic markers Synonymy Semantic siblings Topic induction
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Higher-order inferences
Co-citations as URL co-occurrences Contrasting co-citation patterns between Web pages and Wikipedia Co-citation as hyperlink endorsements Co-citation as knowledge aggregation Co-citation as conditional probability of topical relevance
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Dataset Co-occurrence graph built from a complete Wikipedia dump
Co-citation graph built from a crawl of over 10 million pages and over 85 million hyperlinks
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Some results Topical anchor experiments
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Some results: web co-citation graph
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Some results: endorsed hyperlink graph
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Some questions Innate macro characteristics of co-occurrence graphs
Concept formation from instances of co-occurrences Multipartite clustering
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Multi-agent optimization
Query optimization in stream grids Distributed index design under arbitrary constraints (churn, load, symmetry, etc.)
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Thank you
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