INLS 235

Day 7

2/19/2003

 

confirm DL review sheet (pass around)

 

1. One minute papers

Points

Links can be basis for retrieval, word occurrence too

IR models

 

Questions

How are multi-word queries handled?

How to evaluate/measure IR+browsing systems (beyond recall & precision)?

How can user modeling be used to parse out questions before applying IR?

what IR models and techniques are used in DLs?

Exact match vs ranked results?

How are synonyms handled?  Typos?

Many queries get to DLs from generic search engines (e.g., googleàibiblio), how will meta-level and collection-level searching interact?

How to handle multiple media and multiple levels of granularity?

 

2. Natural progression of services: indexing/storageàsearch/browseàreference/QA

Search and Browse are interface (client side) issues that are strongly dependent on indexing/storage/markup

 

3. Guest Lecture: French DLs (Agnes Colnot)

 

4. Reference in DLs?  (note VRD conference, Pomeranz visit)  Note Feb 2003 dLib http://www.dlib.org/

 

Discussion:

Have you ever used/worked in remote reference? 

What forms? Snail mail? Phone? Email? Forum/list? Chat? IM?

 

Remote reference models

            Search engines (synchronous, 1-self]

            Email questions (asynchronous, user-intermediary [1-1]

            Forums/listservs/newsgroups [async, 1-M]

            FAQs, AnswerGardens [sync, 1-self]

            Referral services [async, 1-1-M}

Internet Public Library (intermediary [filterer] forwards out of scope to other services, in scope to list who self select)

            ASKAs

Q&A services  Klavans paper as reference????  (see http://persival.cs.columbia.edu/)

 

Different approaches:

Search services ala http://www.askjeeves.com/

 

Library reference services

http://www.ask-a-librarian.org.uk/  (note ‘factual questions, 2 working day turnaround, tips and before submitting)

http://www.ipl.org/ref/QUE/ (IPL reference desk—note, suggestions for asking, FAQs, pathfinders, privacy statement)

http://www.lib.unc.edu/ask_menu.html (Davis, note phone, email, online live feature)

http://www.agnic.org/ (note links to other libraries, some with ask a question)

 

FAQs

http://www.faqs.org/faqs/ (usenet lists)

 

Askas

http://www.askeric.org/

http://www.sciam.com/askexpert/

http://k12science.ati.stevens-tech.edu/askanexpert.html

http://www.vrd.org/locator/

 

5. Readings for next week

 

1. Paepcke, A. et al., (1998). Interoperability for digital libraries worldwide.  CACM, 41(4), 33-42. (ACM DL)

2. Lagoze, C. & Van de Sompel, H. (2001). The Open Archives Initiative: Building a low-barrier interoperability framework. Proceedings of JCDL 2001.  p. 54-66.  (ACM DL)

3. Weibel, Stuart L., Traugott Koch. "The Dublin Core Metadata Initiative: Mission, Current Activities, and Future Directions." DLib Magazine, December, 2000.
http://www.dlib.org/dlib/december00/weibel/12weibel.html

 

 

6. One-minute paper

      What was the main point you learned in class today?

What is the main, unanswered question you leave class with today?