494-s10-intro-lecture

494-s10-intro-lecture - about XML/Xquery/RDF CSE 494/598...

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Given two randomly chosen web-pages p1 and p2, what is the Probability that you can click your way from p1 to p2? <1%?, <10%?, >30%?. >50%?, ~100%? (answer at the end) CSE 494/598 Information Retrieval, Mining and Integration on the Internet about XML/Xquery/RDF Hello, Subbarao Kam bham pati. We have  recommendations for you. Spring2010
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If you can have a Super-Human Web-Secretary what would we have him/her/it do for you?
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What is the Holy Grail If we can have a “super-human” Web-Secretary, what would we have him/her/it do for us? Be able to reason about connections between information Read my mind and answer questions (or better yet) satisfy my needs, even before I articulate them How close is this dream to reality? Are we being too easy on our search engines?
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Course Outcomes After this course, you should be able to answer: How search engines work and why are some better than others Can web be seen as a collection of (semi)structured data/knoweldge bases? Can useful patterns be mined from the pages/data of the web? Can we exploit the connectedness of the web pages?
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Web as a bow-tie 39% 21% 19% 14% 7% Probability that two pages are connected: (.21+.39) * (.39 +.19) = .348 Reference: The Web as a Graph. PODS 2000 : 1-10 Ravi Kumar , Prabhakar Raghavan, Sridhar Rajagopalan , D. Sivakumar , Andrew Tomkins , Eli Upfal : Given two randomly chosen web-pages p1 and p2, what is the Probability that you can click your way from p1 to p2? <1%?, <10%?, >30%?. >50%?, ~100%? (answer at the end)
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About Me Mid-life Schizophrenia Plan-yochan: Planning, Scheduling, CSP, a bit of learning etc. Db-yochan: Information integration, retrieval, mining etc. rakaposhi.eas.asu.edu/i3 Did a fair amount of publications, tutorials and workshop organization. Had students who did even better  NieMicrosoft Research; NambiarIBM Research Labs » Khatri,ChokshiBing. .; KalavagattuYahoo! » Hernandez, FanAmazon
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About You Fill and Return by the end of the class Hu does! J
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Contact Info Instructor: Subbarao Kambhampati (Rao) Email: rao@asu.edu URL: rakaposhi.eas.asu.edu/rao.html Course URL: rakaposhi.eas.asu.edu/cse494 Class: T/Th 10:30—11:45 (BYAC 150) Office hours: T/Th 2:45—3:45 TA: Sushovan De sushovan@asu.edu Office: BY 557AD Webpage *NOT* on Blackboard
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Main Topics Approximately three halves plus a bit: Information retrieval Social Networks Information integration/Aggregati on Information mining other topics as permitted by time
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Topics Covered Clustering (2) Text Classification (1) Filtering/Recommender Systems (2) Why do we even care about databas (1) XML and handling semi-structured Information Extraction (2) Information/data Integration (2+) Introduction (1) Text retrieval; vectorspace ranking (3)
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494-s10-intro-lecture - about XML/Xquery/RDF CSE 494/598...

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