Community%20Information%20Service

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Community Information Service

• Hui Fang

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Observations

• Data
• Structured Data (e.g. RDBMS)
• Unstructured Data (e.g. Plain text, documents)
• Semi-structured Data (e.g. Web, Newsgroup,
  Mailing List, Non-personal Email etc. )
• Users Behaviors
• Search
• Ask for help
• Mining
• Announce

Need the system that can automatically integrate
the different types of requests and different
types of data sources
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Future System---Overview
Question/Request
Reply / Announcement
User
Oracle
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Future System---Detail
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Learning Helper

• Hui Fang

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Motivation

• What to do if you are going to learn some new
  topics systematically?

• But
• Its not easy!
• Need to do a lot of things by yourself!

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Learning Helper---Overview
Topic Supervised Learning
1. Definition 2. Linear Regression 2.1 LMS
2.2 The normal equation 2.3 Probabilistic
interpretation 2.4 Locally weighted linear
regression 3. Classification and Logistic
Regression 3.1 Logistic Regression 3.2
Perceptron learning algorithm 4. Generalized
Linear Models 4.1 The exponential family
4.2 Constructing GLIMs
Automatically find the references for some
unfamiliar concepts based on the context
User can delete unimportant parts and add some
notes.
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Learning Helper---Detail
Query Expansion (context knowledge based)
Crawling
Segmentation
Index
Clustering
Summarization
Prioritization
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The End

• Thank you!