'Mediated schema' presentation slideshows

Data Extraction

Data Extraction. Road map. String Matching and Tree Matching Multiple Alignments Building DOM Trees Extraction Given a List Page: Flat Data Records Extraction Given a List Page: Nested Data Records Extraction Given Multiple Pages Summary. Some useful algorithms.

764 views • 75 slides

CHAPTER 8: QUERY PROCESSING

CHAPTER 8: QUERY PROCESSING. PRINCIPLES OF DATA INTEGRATION. ANHAI DOAN ALON HALEVY ZACHARY IVES. Query Processing. To this point, we have seen the upper levels of the data integration problem: How to construct mappings from sources to a single mediated schema

942 views • 65 slides

Data Integration: The Teenage Years

Data Integration: The Teenage Years. Alon Halevy (Google) Anand Rajaraman (Kosmix) Joann Ordille (Avaya) VLDB 2006. Agenda. A few perspectives on the last 10 years Technical, commercial Perspectives from our personal paths Wild speculations about the future

822 views • 54 slides

Data Integration: The Teenage Years

Data Integration: The Teenage Years. Alon Halevy (Google) Anand Rajaraman (Kosmix) Joann Ordille (Avaya) VLDB 2006. Agenda. A few perspectives on the last 10 years Technical, commercial Perspectives from our personal paths Wild speculations about the future

660 views • 54 slides

Data Integration: The Teenage Years

Data Integration: The Teenage Years. Alon Halevy (Google) Anand Rajaraman (Kosmix) Joann Ordille (Avaya) VLDB 2006. Agenda. A few perspectives on the last 10 years Technical, commercial Perspectives from our personal paths Wild speculations about the future

540 views • 54 slides

Dataspaces: Co-Existence with Heterogeneity

596 views • 51 slides

New England Database Society (NEDS) Friday, April 23, 2004 Volen 101, Brandeis University

New England Database Society (NEDS) Friday, April 23, 2004 Volen 101, Brandeis University. Sponsored by Sun Microsystems. Learning to Reconcile Semantic Heterogeneity. Alon Halevy University of Washington, Seattle NEDS, April 23, 2004. Large-Scale Data Sharing.

551 views • 47 slides

440 views • 30 slides

Outline

Outline. Introduction Background Distributed Database Design Database Integration Schema Matching Schema Mapping Semantic Data Control Distributed Query Processing Multimedia Query Processing Distributed Transaction Management Data Replication Parallel Database Systems

436 views • 29 slides

Bootstrapping Pay-As-You-Go Data Integration Systems

Bootstrapping Pay-As-You-Go Data Integration Systems. by Anish D. Sarma, Xin Dong, Alon Halevy, Proceedings of SIGMOD'08 , Vancouver, British Columbia, Canada, June 2008. Presented by Andrew Zitzelberger. Data Integration. Offer a single-point interface to a set of data sources

500 views • 26 slides

CSE 636 Data Integration

CSE 636 Data Integration. Overview. Fall 2006. What is Data Integration?. The problem of providing uniform (sources transparent to user) access to (query, and eventually updates too) multiple (even 2 is a problem!) autonomous (not affect the behavior of sources)

382 views • 26 slides

CSE 636 Data Integration

CSE 636 Data Integration. Overview. Fall 2006. What is Data Integration?. The problem of providing uniform (sources transparent to user) access to (query, and eventually updates too) multiple (even 2 is a problem!) autonomous (not affect the behavior of sources)

357 views • 26 slides

Infrastructure for Peer-Based Knowledge Sharing

Infrastructure for Peer-Based Knowledge Sharing. Peter Mork University of Washington, Seattle 21-Sep-14. Motivating Example. Microarray Experiment. Information from public databases. ??. ICAT Experiment. Outline. Integration Systems From Data to Knowledge (Metadata)

353 views • 24 slides

Web-scale Data Integration: You can only afford to Pay As You Go

Web-scale Data Integration: You can only afford to Pay As You Go. Jayant Madhavan Google Inc. Shawn Jeffery, Shirley Cohen, Luna Dong, David Ko, Cong Yu, and Alon Halevy. Structured Data on the Web. WWW is getting more structured Deep Web: content behind HTML forms

284 views • 12 slides

Model Management

An Extensible System for Merging Two Models Rachel Pottinger University of Washington Supervisors: Phil Bernstein and Alon Halevy. Model Management. A model management system consists of three key abstractions:

209 views • 7 slides

Model Management

An Extensible System for Merging Two Models Rachel Pottinger University of Washington Supervisors: Phil Bernstein and Alon Halevy. Model Management. A model management system consists of three key abstractions:

70 views • 7 slides