S c o t t Pr evo s t | Pr inc ipal Deve l o pment Manag er | Bing

•Disambiguation, refinement, etc.•User sessions

Query Understanding

•Structured and semi-structured data•Entities, relations & concepts in text

Document & Content

Understanding

•Simply tasks & satisfy user needs•Reduce user investment

User Experience

Type navigational, informational, transactional

Scope general v. specific

Context single query v. session w/refinements

Syntax can I say the same thing in a variety of different ways?

Disambiguation entities, attributes, actions

•Synonyms, acronyms, abbreviationsTerm expansion

•{height empire state building}•{how tall is the empire state building?}Flexible syntax

•Carnegie Mellon University Robotics Club•[ [ [ Carnegie ] [ Mellon ] University ] Robotics Club ]Entity detection

•Hilton locations v. Hilton appearancesDisambiguation in

context

•Barack Obama birthdateEntities & attributes

Query: who mocked sarah palin

Query: Barack Obama stimulus package

Concise, but misleading

The...debate over the Economic Stimulus Package has been going on forever...

Concise

It seems like… the debate over the Economic Stimulus Package has been going on forever…

Too long?

It seems like the tumultuous argument and debate over the Economic Stimulus Package has been going on forever, but it hasn't even been a whole month.

© 2009 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market

conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.