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  1. 0. Presentation Recuperació de la Informació Information Retrieval Fall 2011

  2. Instructors Ricard Gavaldà gavalda@lsi.upc.edu, Omega 232, 93 413 7877 Marta Arias marias@lsi.upc.edu, Omega 322, 93 413 7858 Xavier Messeguer peypoch@lsi.upc.edu, Omega 217, 93 413 7863

  3. Resources FIB’s official home homepage: www.fib.upc.edu/fib/infoAca/estudis/assignatures/RI.html (course contents, evaluation method, …) Pages maintained by teachers: www-pagines.fib.upc.es/~ri/ (exercise list, lab assignments, external links, …) www.lsi.upc.edu/~peypoch/docencia/ri/intro-ri.html (material for part 2) FIB’s Intranet, “el Racó”: raco.fib.upc.edu  RI (day-to-day announcements, additional material, exam conditions, …) check regularly!!!

  4. Contents Part 1 • Introduction • Information retrieval models • Indexing and searching, implementation • IR Evaluation and feedback • Applications to the Web Part 2 • Sequential search and indexed search • Applications to biocomputing

  5. Class logistics Monday 10-12: Theory + problems, weekly Thursday 10-12: Theory + problems, weekly Problems are proposed in advance Tuesay 10-12: Labs, every 2 weeks Some extra work, 2 hours in average per session Report to be handed 2-3 weeks later You don’t have to attend, but they’re good for you

  6. Evaluation • Lab work • Parcial 1, April 16th, chapters 6-7 • June 21st : you choose between • Parcial 2, chapters 1-5. Grade: 20% lab + 40% parc.1 + 40% parc.2 • Final exam: all chapters. Grade: 20% lab + max(80% final, 20% parc.1 + 60% final)