Online expansion of rare queries for sponsored search
Download
1 / 5

Online Expansion of Rare Queries for Sponsored Search - PowerPoint PPT Presentation


  • 80 Views
  • Uploaded on

Online Expansion of Rare Queries for Sponsored Search. attack Chih -Hung Wu. Contributions. Fourfold: present an efficient online query expansion approach for tail queries describe a novel approach for directing indexing query expansions… Propose a formalism for expanding queries…

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about ' Online Expansion of Rare Queries for Sponsored Search' - fineen


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

Contributions
Contributions

  • Fourfold:

    • present an efficient online query expansion approach for tail queries

    • describe a novel approach for directing indexing query expansions…

    • Propose a formalism for expanding queries…

    • Describe a ranking and scoring method…

    • Umm…..so it’s twofold??


Empirical evaluation
Empirical evaluation

  • Comparisons with other algorithms missing??

  • Set unigram, phrase, and class feature weights, to 1,1,and 0.1.

    • Because it was ‘found’ to produce good results…??


Empirical evaluation1
Empirical evaluation

  • Ad relevance

    • Human editors

  • Hybrid

    • Offline for queries found in LUT, online for ones not found in LUT.

    • Where is the analysis on computational cost??

  • Table6.4??


Overview
Overview

  • 7 people on the team

    • Wrote an incomplete paper

      • Small dataset

        • Google 61.60%

        • Yahoo 20.40%

      • Lack of explanations on certain points/decisions

        • control variables

      • Missing cost/timing analysis

      • What is the whole point of this paper?


ad