Web IR and IE 2005

Course Introduction (2 hours)

Part I -- Web Information Extraction

• Introduction to Information Extraction (2 hours)
• Survey of Web IE systems (2 hours)
  reading assignment: Web IE Survey

  Supervised IE Systems(3 hours)

  reading assignment: WIEN, Softmealy, Stalker.

  Annotation Free IE Systems (3 hours)

  reading assignment: IEPAD, RoadRunner, EXALG

Part II -- Traditional Information Retrieval

• Text Operations: Chapter 7
• Indexing and Searching (File Structures): Chapter 8
• Modeling: Chapter 2
• Evaluation: Chapter 3
• Query Operations: Chapter 5

Part III -- Searching on the Web

Part IV -- Web Mining

Reading Assignment

• Nicholas Kushmerick, Daniel S. Weld, Robert B. Doorenbos: Wrapper Induction for Information Extraction. IJCAI 1997, 729-737
• Chun-Nan Hsu, Ming-Tzung Dung: Generating Finite-State Transducers for Semi-Structured Data Extraction from the Web. Information System 1998, 521-538
• Ion Muslea, Steven Minton, Craig A. Knoblock: A Hierarchical Approach to Wrapper Induction. Agents 1999,190-197
• Chia-Hui Chang, Shao-Chen Lui. IEPAD: information extraction based on pattern discovery. WWW 2001, 681-688
• Valter Crescenzi, Giansalvatore Mecca, Paolo Merialdo: RoadRunner: Towards Automatic Data Extraction from Large Web Sites. VLDB 2001, 109-118
• Arvind Arasu, Hector Garcia-Molina: Extracting Structured Data from Web Pages. SIGMOD 2003, 337-348

Project -- Topic suggestion

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