Untitled - PowerPoint PPT Presentation

1 / 5
About This Presentation
Title:

Untitled

Description:

Movies (movie_id, title, year, director) (m1, c1, 3-stars): 0.8 (m1, c1, 4-stars): 0.2 ... Search 'stanford trio' Look for the links. Create and query your own ... – PowerPoint PPT presentation

Number of Views:42
Avg rating:3.0/5.0
Slides: 6
Provided by: jennif278
Category:
Tags: movie | search | title | untitled

less

Transcript and Presenter's Notes

Title: Untitled


1
TRIO
Data Uncertainty Lineage
1
2
3
Data Model Query Language System
1
2
3
2
Data Model ULDBs
  • Alternatives and ?
  • Confidence values
  • Lineage

1
?
3
Query Language TriQL
  • SQL over uncertain data with lineage
  • New features for querying alternatives,
  • ?s, confidences, and lineage
  • Conf(), Maybe(), Lineage()
  • Horizontal subqueries
  • On-demand lineage tracing and confidence
    computation
  • Query-defined confidences
  • Extraneous data detection

4
System Trio-One
TrioExplorer (GUI client)
Command-line client
Trio API and translator (Python)
Standard SQL
Standard relational DBMS
Trio Metadata
Encoded Data Tables
Trio Stored Procedures (SPI/C)
Lineage Tables
5
Please Try It!
  • Search stanford trio
  • Look for the links
  • Create and query your own Trio database
Write a Comment
User Comments (0)
About PowerShow.com