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Downloading Hidden Web Content

Downloading Hidden Web Content Alexandros Ntoulas Petros Zerfos Junghoo Cho UCLA Computer Science fntoulas, pzerfos, chog@cs.ucla.edu Abstract An ever-increasing amount of information on the Web today is available only through search interfaces: the users have to type in a set of keywords in a ...

Los Angeles - Copyright by Ka Cheung Sia 2009

Ka Cheung Sia, Junghoo Cho, Yun Chi, and Belle L. Tseng. Efficient Com putation of Personal Aggregate Queries on Blogs. In Proceedings of the ACM

Experimenting with Programming Languages

I also owe a big "thanks"to the other members of my Ph.D. committee: Rebecca Allen and Junghoo Chomademethink about interesting applications of my work, and Jens Palsbergwent above and beyond his duties when he not only suggested that I should add an operational semantics of OMetatothis dissertation ...

Exploiting Geographical Location Information of Web Pages

Exploiting Geographical Location Information of Web Pages Orkut Buyukkokten orkut@cs.stanford.edu Junghoo Cho cho@cs.stanford. edu Hector Garcia-Molina hector@cs.stanford.edu Luis Gravan o y gravano@cs.columbia.edu Narayanan Shivakumar shiva@cs.stanford.edu Abstract Many information resources on ...

The Evolution of the Web and Implications for an Incremental ...

The Evolution of the Web and Implications for an Incremental Crawler Junghoo Cho, Hector Garcia-Molina Department of Computer Science Stanford, CA 94305 f cho, hector g @cs.stanford.edu Abstract In this paper we study how to build an eective incremental crawler.

Efficient Crawling Through URL Ordering

Efficient Crawling Through URL Ordering Junghoo Cho, Hector Garcia-Molina, Lawrence Page Department of Computer Science Stanford University Abstract In this paper we study in what order a crawler should visit the URLs it has seen, in order to obtain more "important" pages first.

Sensor-Internet Share and Search—Enabling Collaboration of ...

Sensor-Internet Share and Search—Enabling Collaboration of Citizen Scientists Sasank Reddy*, Gong Chen*, Brian Fulkerson*, Sung Jin Kim † , Unkyu Park ‡ , Nathan Yau*, Junghoo Cho † , Mark Hansen*, John Heidemann ‡ *Centerfor Embedded Networked Sensing; University of California, Los Angeles, ...

Indexing Tamper Resistant Features for Image Copy Detection

Indexing Tamper Resistant Features for Image Copy Detection Peter Mork, Beitao Li, Edward Chang, Junghoo Cho,Chen Li, and James Wang Abstract In this paper we present the image copy detection service we have built.

Parallel Crawlers

Parallel Crawlers Junghoo Cho University of California, Los Angeles cho@cs.ucla.edu Hector Garcia-Molina Stanford University cho@cs.stanford. edu ABSTRACT In this paper we study how we can design an effective parallel crawler.

Searching the Web

Searching the Web Arvind Arasu, Junghoo Cho, Hector Garcia-Molina, Andreas Paepcke, and Sriram Raghavan Stanford University We oeranoverview of current Web search engine design.