IST 516 Introduction Fall 2011 Dongwon Lee Ph

IST 516 Introduction Fall 2011 Dongwon Lee, Ph. D.

Class Webpage https: //online. ist. psu. edu/ist 516/ or via ANGEL IST 516 2

ANGEL IST 516 3

Introduction l Instructor l l l TA l l Dongwon Lee, Ph. D. Associate Professor @ IST Kang Zhao Discussion Activity #1 in AGNEL l l l Briefly (1 -2 paragraphs) introduce yourself When students form teams for Project, this introduction can be used to find team members Will NOT be graded IST 516 4

Office Hour l 2 Office hours: l l Dongwon Lee: THUR 12: 30 -2: 30 PM Kang Zhao: TUE 2 -4 PM Use Adobe Connect Email l Use ANGEL to send/receive emails Send to BOTH me and TA so that any of us can answer fast Will get answers within 24 hours at most IST 516 5

Question Café (Q&A) IST 516 6

Do NOT Broadcast Emails l l Like to use broadcast mechanism mainly for class-wide announcement by Instructors Use ANGEL Question Café instead l l Questions and replies are archived and threaded better management We monitor and answer them regularly Too many broadcast emails students tend to ignore instructors’ broadcast emails Do NOT send emails to entire class members in ANGEL IST 516 7

Grading Weights l 24% l l l : 1 Project (Team) Design and implementation assignment 3% 30% l : 2 Homework (Individual) Longer more in-depth assignment 25% l l Short exercise to master course materials 18% l : 6 -7 Labs (Individual) : 1 Presentation (Individual) : 1 Final Exam (Individual) Open-book written exam covering all materials Either project or final exam may have bonus point components IST 516 8

Grading Scale l Use standard PSU grading scale l l l l A B B+ BC+ C D F : 93% to 100% : 90% to 92. 9% : 87% to 89. 9% : 83% to 86. 9% : 77% to 79. 9% : 70% to 76. 9% : 60% to 69. 9% : below 60% IST 516 9

Eg, Fall 2010 Grade Distribution IST 516 10

What is IST 516? l Roughly 2 sections l l l First half: The Web and its Standards Second Half: Information Retrieval Objectives l l Understand fundamental concepts, theories, methods, and techniques of modern Information Retrieval and Web Techniques. Understand the design and basic functionalities of modern information retrieval system and search engines systems. IST 516 11

Part #1: The Web IST 516 12

Part #1: IR and SE l l l IR Basics Vector Space Model Evaluation Relevance Feedback Probabilistic IR (if time permits) Clustering/Classification IST 516 13

Format of Class l l Consists of Instructor's presentation and discussion (if enough live audience) Materials l l Materials will be drawn from academic literature, the Web, and two textbooks NO required textbooks WD: Web Dragon IIR: Intro. To Information Retrieval • http: //nlp. stanford. edu/IRbook/htmledition/irbook. html IST 516 14

Team Project l A team based project: 250 points l l l 1 planning report: 10% (25 points) 1 mid-term progress report: 30% (50 points) 1 final report and demo: 60% (175 points) • l l l Pre-recorded and played during class All members get the same score for projects, but presentations are graded separately To be assigned around Week #7 Based on other students’ introduction, form your own team of 3 -4 members till week #7 l Email me your team members when formed IST 516 15

Project: Web Apps l Design and implement a useful/interesting web app that leverages on several techniques to be covered in class: l l l XML/XML Schema CCS/RSS XSLT/XPath Web Service / RDF Cloud Computing Search Engine, etc IST 516 16

Assignments l Links to download assignments are initially blocked l l Assigned on THUR usually Due is SUN 11: 55 PM in the following week About 10 days to work (2 weekends) Assignments must be TYPED and dropped to proper ANGEL drop boxes l l l hand-drawn figures are OK scan and drop Late assignments allowed till TUE 11: 55 PM 25% deduction for every 12 hours late IST 516 17

Pre-requisite l Requires basic coding and primitive collegelevel math skills (in addition to IST 511/512) l l Several assignments involve simple to mediumlevel coding (eg, 100 -200 lines) Project requires some traditional programming (eg, PHP, Java. Script) • l We do NOT teach this Labs/Homework require coding in web standard (eg, XML Schema, CSS, XSLT, XPath) • We do teach this IST 516 18

Pre-requisite l Requires basic coding and primitive collegelevel math skills (in addition to IST 511/512) l 2 nd half materials on IR use some (pre)-calculus • l l Function, cosine, binomial, factorial, logarithm, … Little derivative / integral Some Probabilities • [P(A) - P(E)] / [1 – P(E)] IST 516 19