1. System.Search, aka “Find My Stuff”
6/15/2018 4:59 AM
Session Code: CLI327
System.Search, aka “Find My Stuff”
Chris McConnell
Architect
Microsoft Corporation
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

2. 6/15/2018 4:59 AM
Tools
Client Application Model
Web & Service Application Model
Data Systems Application Model
Mobile PC & Devices Application Model
Command Line
Compact Framework
Win FS
Yukon
System.Console
Avalon
Windows Forms
ASP.NET / Indigo
Mobile PC Optimized
System.Windows
System.Windows.Forms
System.Web
System.Storage
System.Data.SqlServer
System.Windows.Forms
System.Windows
NT Service
System.ServiceProcess
Presentation
Communication
System.Windows
System.Search
System.Data
System.Messaging
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UI Element
Explorer
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Annotations
SqlClient
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System.DirectoryServices
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Relevance
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Ink
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System.Web.Services
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Item
Core
Description
Port
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Query
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System.Timers
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System.MessageBus.Configuration
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Authorization
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System.ComponentModel
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Token
System.Deployment
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InteropServices
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CompilerServices
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© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

3. Agenda What is “Find My Stuff”? How do you use it? How does it work?
6/15/2018 4:59 AM
Agenda
What is “Find My Stuff”?
How do you use it?
How does it work?
How do you expose your data?
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

4. Find My Stuff Your stuff Using your words Located anywhere
6/15/2018 4:59 AM
Find My Stuff
Your stuff
Documents, , Music, Images
Using your words
“PDC schedule”
“ from john about the pdc”
Located anywhere
WinFS, Sharepoint, databases
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

5. Search Today Intent: email from john sent last week
6/15/2018 4:59 AM
Search Today
Intent: from john sent last week
Search for keywords everywhere: “john”
Could be music, , document…
Build a query using a GUI
Choose , choose sender, “john”, …
Requires developer and user effort
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

6. 6/15/2018 4:59 AM
Finding Stuff
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

7. System.Search Architecture
6/15/2018 4:59 AM
System.Search Architecture
Search Applications
(Shell, Contacts, Help, File open, 3rd Party)
Filters
Biases
Search Text
CLR objects
System.Search
OPath
CLR objects
Search Providers
3rd Party
(ObjectSpaces or
custom protocol)
MSN
E-Commerce
Corporate databases
Windows
Assistance
WinFS
Sharepoint
Services
SharePoint
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

8. System.Search Uniform architecture for search Map search text to OPath
6/15/2018 4:59 AM
System.Search
Uniform architecture for search
Query language (OPath) over CLR objects
Results are CLR objects
Search provider architecture
Map search text to OPath
“ sent last week about pdc”
-> Message.Find(“Received > # # and freetext(Subject, ‘pdc’)”)
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

9. Related Technologies WinFS MS Search ObjectSpaces System.Help
6/15/2018 4:59 AM
Related Technologies
WinFS
Standard types: Music, Document, etc.
New object API
MS Search
Improved keyword search
Per-user corpus statistics
ObjectSpaces
OPath query language over objects
Map from object to/from SQL
System.Help
Natural Language Parser
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

10. Security & Privacy Secure Code
6/15/2018 4:59 AM
Security & Privacy
Secure Code
Managed with restricted permissions
Runs in Secure Execution Environment (SEE)
Request Search Providers respect privacy
WinFS Privacy
All items utilize ACL
Corpus statistics are per user
Platform Privacy
Data collection only with opt-in
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

11. Search Text into OPath Requires annotation
6/15/2018 4:59 AM
Search Text into OPath
Requires annotation
“important” -> System.Storage.Message.Priority > 2
“ ” -> System.Storage.Message
We ship annotations for base WinFS types
We are evaluating extending to derived and new types
How much work would you do to enable structured search?
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

12. Dealing with Ambiguity
“ john”
Search for with “john” as a participant
Search for with a subject of “john”
Send to “john”
Search for document containing “ john”
Two phases
Query to Interpretation (System.Search)
Interpretation to Result (Search Provider)
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

13. Intent to Result Intent Ranking (Search Provider) Object
6/15/2018 4:59 AM
Intent to Result
Ranking
(Search Provider)
Object
Interpretation Information Retrieval Synonyms Other Factors
Intent
Query
Word Sequence Name/Date Corpus Statistics
Scoring
Types Annotated Queries App. State Machine State
Interpretation
Constraint Task Task & Slots
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

14. Interpretations 6/15/2018 4:59 AM
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

15. Exposing Data to Search
6/15/2018 4:59 AM
Exposing Data to Search
Not through Index Server
Optional in “Longhorn”
Will not exist in future versions
Put it in WinFS
Leverages client for speed and relevance
Leverage standard types
File promotion
Sync adapter
Use an existing search provider
Write your own search provider
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

16. Search Providers Your store technology Your types and data
6/15/2018 4:59 AM
Search Providers
Your store technology
Your types and data
Your protocol
Your authentication
Simple requirements
ISearchProvider
ISearch
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

17. Search Provider Queries
6/15/2018 4:59 AM
Search Provider Queries
Simple: raw string
“unread from Tom” anywhere
More complex: OPath
.ReadStatus = 1 && contains( .Sender, ‘Tom’)
Most complex: OPath + freetext
Look for Tom or Thomas in .Sender
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

18. Search Providers 6/15/2018 4:59 AM
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

19. Related Sessions Sessions Panel WinFS API – CLI320, CLI321
6/15/2018 4:59 AM
Related Sessions
Sessions
WinFS API – CLI320, CLI321
WinFS Schemas – CLI322
WinFS Filesystem – CLI326
WinFS Synchronization – CLI324
Longhorn UX – CLI101
WinFS Shell Storage – CLI323
Panel
Client Architecture: The Zen of Data-Driven Applications – Thursday 10:30
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

20. System.Search Find your stuff Using your words Located anywhere
6/15/2018 4:59 AM
System.Search
Find your stuff
Using your words
Located anywhere
Tell us how you want to use it
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

21. Community Resources Get Your Questions Answered!
6/15/2018 4:59 AM
Community Resources Get Your Questions Answered!
Newsgroups:
microsoft.public.windows.developer.winfx.winfs
Client Lounge: middle of the Exhibit Hall
connect with Microsoft client product teams, and PDC 2003 Speakers
Ask The Experts:
Tuesday 7 pm – 9 pm in Hall G,H
Web Sites:
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

22. © 2003-2004 Microsoft Corporation. All rights reserved.
6/15/2018 4:59 AM
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
© Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.