bing dialog model: intent, knowledge, and user interaction...bing dialog model: intent, knowledge,...
TRANSCRIPT
Bing Dialog Model:
Intent, Knowledge, and User Interaction
Harry Shum, PhD
Corporate Vice President
Microsoft Corporation
www.bing.com
The Journey to Bing
Our challenges at the launch of Bing
Oct
2007
Jan
2008
July
2008
April
2008
Oct
2008
Jan
2009
July
2009
April
2009
10%
20%
30%
40%
50%
60%
70%
Oct
2006
Jan
2007
July
2007
April
2007
Oct
2005
Jan
2006
July
2006
April
2006
http://searchengineland.com/tough-love-for-microsoft-search-15968
+4.00%
+1.57%
-4.03%
Growing Momentum since the launch of BingBut … Still a Long Way to Go
There are three elements of Search Quality
Simplified tasks
meaningconcepts
task completion
Their semantic impacts on Search Quality
Source: Google vs. Bing: the Fallacy of the Superior Search Engine – searchengineland.com
Yu-Ting Kuo
Principal Program Manager
www.bing.com
Internet searchers are becoming more Task Centric
Satisfaction
FrequencyImportance
And their tasks are More Sophisticated then ever
67%
33%
36%
64%
The traditional 10 Blue Links style is no longer sufficient
The emerging need for organized Whole Page experience
A Search Paradigm Shift is Happening
Bing Dialog Model
+
-
Previous
Inferences
(
Inferred
Intent (
Inferred
Intent ( )
Inferred
Action (
User Behavior ( )
A Stateful Feedback System
Using BMR Framework
Bing Dialog Model Implementation
Query-
level
Dialog
Session-level
Dialog
Page-level
Dialog
Document-
level dialog
It = argmaxI P( I | Ut , It-1 ; K)
At = argminA E[Cost(A, It)]
When applied to Autosuggest:
Ut is key stroke
It is closest intent queries
At is list of suggested queries
Cost() is selection efforts
Simple & Explicit Query-Level Dialog
Document-Level Dialog
Deep Links
Caption
Additional Caption Preview
Title
Page Time
Stamp
URL
Estimated Publish Time
Quick Tabs for
relevant Bing
Verticals, Domains, Answers
All Bing Vertical Services
Algorithmic Search Results
Query Suggestion
Search History
Entity-based result
summary
Sponsored Ads
History-
aware
Compare
Bing: The Decision Engine
Thank you