A Market Anywhere Shameem

340 views
307 views

Published on

Published in: Education
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
340
On SlideShare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
5
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

A Market Anywhere Shameem

  1. 1. A Market Anywhere Professor Roy Campbell Ryo Kawaguchi, Aukrit Unahalekhaka, Ang Pan Department of Computer Science University of Illinois at Urbana-Champaign Presenter: Shameem Ahmed
  2. 3. <ul><li>Easy access to market information can improve the quality of life [ Journal of Economics, 2007] </li></ul>Lack of Information
  3. 4. + Integrated feature + Simple + Low cost <ul><li>160 char per msg </li></ul><ul><li>No Visual Aids </li></ul><ul><li>Costly if … </li></ul>
  4. 5. Research Goal <ul><li>Design a virtual market system </li></ul><ul><ul><li>Applicable in developing countries </li></ul></ul><ul><ul><li>No costly infrastructure </li></ul></ul><ul><ul><li>Cell phone based </li></ul></ul><ul><ul><li>Use SMS </li></ul></ul><ul><ul><li>Reduce inherent problems of SMS system </li></ul></ul><ul><ul><ul><li>Min # of transactions </li></ul></ul></ul><ul><ul><ul><li>Flexible inputs </li></ul></ul></ul><ul><ul><ul><li>Concise and well formatted output </li></ul></ul></ul>
  5. 6. <ul><li>+ Mobile & SMS </li></ul><ul><li>- Menu Based </li></ul><ul><ul><li>Restricted content </li></ul></ul><ul><ul><li>Restricted functionality </li></ul></ul><ul><li>- Too many steps </li></ul><ul><ul><li>Cost patience </li></ul></ul><ul><ul><li>Cost money </li></ul></ul><ul><li>+ Mobile & SMS </li></ul><ul><li>Only market price Info </li></ul><ul><li>No NLP </li></ul>Google SMS <ul><li>+ Mobile & SMS </li></ul><ul><li>One Way Info </li></ul><ul><li>No NLP </li></ul>Nokia Life Tools Farm Prices Trade Net Current State of Art
  6. 7. System Overview ZeepMobile
  7. 8. NLP Engine <ul><li>Why? </li></ul><ul><ul><li>SMS: Expressive and intuitive </li></ul></ul><ul><ul><li>Reduce # of msg </li></ul></ul><ul><ul><li>Little restriction on input format </li></ul></ul><ul><li>How? </li></ul><ul><ul><li>Feature extraction </li></ul></ul><ul><ul><li>Raw Text </li></ul></ul><ul><ul><li>Decision List </li></ul></ul><ul><ul><ul><li>Pattern and Field Type </li></ul></ul></ul>
  8. 9. Use Case
  9. 10. Experimental Assessment <ul><li>Compare to Cell Bazaar </li></ul><ul><ul><li>4 users (Unfamiliar with our NLP engine) </li></ul></ul><ul><ul><li>100 queries in English </li></ul></ul><ul><ul><li>High field extraction success rate (over 90%) </li></ul></ul><ul><ul><li>1 SMS (Cell bazaar needs 5) </li></ul></ul>
  10. 11. Work In Progress <ul><li>NLP for Thai language </li></ul><ul><li>Follow-up study in Thailand </li></ul><ul><li>Refine the design </li></ul>
  11. 12. Future Work <ul><li>Incorporate more languages </li></ul><ul><li>Extension to framework </li></ul>
  12. 14. Reference <ul><li>Cell Bazaar. www.cellbazaar.com </li></ul><ul><li>Zainudeen, A., Samarajiva, R., and Sivapragasam, N. CellBazaar, a mobile-based e marketplace: Success factors and potential for expansion. ICA 2009. </li></ul><ul><li>Nokia Life Tools. www.nokia.com/press/press-releases/showpressrelease?newsid=1266168 </li></ul><ul><li>Google SMS. www.google.com/sms </li></ul>
  13. 15. Backup Slides
  14. 16. <ul><li>Algorithm NLPEngine (input) </li></ul><ul><li>1. while decision_list is not empty </li></ul><ul><li>2. pop (pattern -> field_type) from decision_list </li></ul><ul><li>3. if any phrase in input matches pattern </li></ul><ul><li>4. fields[field_type] = normalized phrase </li></ul><ul><li>5. remove phrase from input </li></ul><ul><li>6. store fields and input in the database </li></ul>NLP Engine Algo
  15. 17. Addressing Other Issues <ul><li>Illiteracy </li></ul><ul><ul><li>Basic education is must </li></ul></ul><ul><ul><li>Business opportunity for literate </li></ul></ul><ul><li>Misspelling /Missing words </li></ul><ul><ul><li>Correct misspelling </li></ul></ul><ul><ul><li>Supplement missing words </li></ul></ul>
  16. 18. <ul><li>Unaware of market information </li></ul><ul><li>Product shortage </li></ul><ul><li>Excessive production </li></ul><ul><li>Middlemen </li></ul><ul><li>Not realize buyers and sellers match </li></ul>Challenges Faced by Rural Farmers

×