CS408EKAIST Search Engine: xIS

eXtended Information Search

Hyunwoo KangJaemin HongJiseok Kim

MotivationApplying tutoring program

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MotivationApplying tutoring program

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MotivationApplying tutoring program

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2013~2017

MotivationApplying tutoring program

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MotivationApplying tutoring program

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2015~2017

MotivationApplying tutoring program

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MotivationApplying tutoring program

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2018

MotivationApplying tutoring program

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2018

Spring

MotivationApplying tutoring program

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Portal Search : 튜터

MotivationApplying tutoring program

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Portal Search : 튜터링

MotivationApplying tutoring program

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Portal Search : 튜터링

Result for ‘여름학기 수강신청’ in Portal

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2011

2011

CNU

CNU

2008

2018

Results for ‘기숙사’ vs ‘생활관’ in Portal

Q&A Announcement

for dormitory registration14

Problems

SpeedAmount of time for finding aiming articles

ReachabilityRate of finding aiming articles rather than giving up

Precision

Rate of finding correct information

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Design a new ranking algorithm

Title

Content

Attached files

Author

Hits

Date …

Solution

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User Experiments

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Speed

Reachability

Precision

3rd: Studying background

4th: Experiment

5th: Chuseok

6th: Designing algorithm

7th: Midterm presentation

9th : Implementing algorithm

10th: Implementing algorithm

11th: Experiment

12th: Improving algorithm

13th: Improving algorithm

14th: Final presentation

Timeline

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Problems of the portal search engineSpeed, reachability, and precision

Resolving problems by designing a new algorithm

Quantitative evaluation via user experiments

We’ll make a better search engine!

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