Normalization • Normalization is a process of analyzing a relation to ensure it is well formed • More specifically, if a relation is normalized, rows can be added, removed,…

1. The Concept of Administration and Organization Josefino “Penn” T. Larena AB, CPS, MPA 2. A: WHAT IS ADMINISTRATION First definition: “Administration can be defined…

Slide 1 1 Accessing, Managing, and Mining Unstructured Data Eugene Agichtein Slide 2 2 The Web 20B+ of machine-readable text (some of it useful) (Mostly) human-generated…

Task: Information Extraction Goal: being able to answer semantic queries (a.k.a. “database queries”) using “unstructured” natural language sources Identify specific…

To Search or to Crawl? Towards a Query Optimizer for Text-Centric Tasks Panos Ipeirotis – New York University Eugene Agichtein – Microsoft Research Pranay Jain – Columbia…

To Search or to Crawl? Towards a Query Optimizer for Text-Centric Tasks Panos Ipeirotis – New York University Eugene Agichtein – Microsoft Research Pranay Jain – Columbia…

Optimizing Content Freshness of Relations Extracted From the Web Using Keyword Search Agenda SIGMOD 2010 Paper: Optimizing Content Freshness of Relations Extracted From the…

Slide 1 To search or to crawl?:  Towards a query optimizer for text-centric tasks Presented by Avinash S Bharadwaj How can data be extracted from the web? Execution plans…

Slide 1Information Extraction Sunita Sarawagi IIT Bombay http://www.it.iitb.ac.in/~sunita Slide 2 Information Extraction (IE) & Integration The Extraction task: Given,…

CS276B Text Information Retrieval, Mining, and Exploitation Lecture 6 Information Extraction I Jan 28, 2003 (includes slides borrowed from Oren Etzioni, Andrew McCallum,…