CS598CXZ Panel – Next Generation Search Engines Shui-Lung Chuang April 21, 2005

One box towards the whole info world? –It’s simple and fast to launch –It’s easier to find the information on the Web than from local disks, books, and so on

One box towards the whole info world? – –… … A practical web-based approach to generating topic taxonomy for text segments ChengXiang Zhai Weather Books Barnes & Noble.com Amazon.com Bookpool.com …

One box towards the whole info world? – 1 pound = ? Kg 70 miles to km 72 F = ? C 2+3*6 Derivative ln  Site/Page Search 1 pound = kilograms 70 miles = kilometers 72 F = C 20

One box towards the whole info world? – 1 pound = ? Kg 70 miles to km 72 F = ? C 2+3*6 Derivative ln Address of Kevin Chang  Site/Page Search 1 pound = kilograms 70 miles = kilometers 72 F = C 20 Kevin Chen-Chuan Chang 2114 Siebel Center Department of Computer Science University of Illinois at Urbana-Champaign 201 N. Goodwin Avenue Urbana, IL Phone of Kevin Chang Kevin Chen-Chuan Chang Phone: (217)

One box towards the whole info world? – Weather at Best price of “The C programming language”  Site/Page Search

Object detection, extraction, and index photo (Semantic Web?) contact address phone bio

Content providers publish data to SEs –E.g., CiteSeer DBLP ( DBLP: ChengXiang Zhai ) Google Index Reviews of the c prog. lang. The c programming language Amazon

Services publish query templates to SE –A q/t can be thought as a set of index terms Weather at Google Weather at

SEs replace all task-specific services? –One-shot query vs. transition processing SEs suppose to answer every question? –E.g., who is the first American on the moon? Next generation SEs: –Beyond site/page search –Flexible to co/e with content/service providers

SEs –Generic indexing mechanism –Query processing –Ranking –Presentation C/S providers –Index terms or query templates –Result snippet