基本信息
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职业迁徙
个人简介
I am a research scientist at Yahoo! Research. I graduated with a PhD from Carnegie Mellon University in 2008.
I am interested in Information Mediation, with an emphasis on search engines. I work on several key tasks that search engines perform such as Web Crawling and Monitoring, Web Ranking and Search Advertising. Also, I study the exploration vs. exploitation tradeoff that arise in many of these tasks using the Multi-armed Bandit problem.
Web Crawling and Monitoring: I work on different subtasks that crawling involves such as discovering new pages, acquiring newly discovered pages and recrawling known pages. I proposed a new query-driven crawling paradigm on this front.
Search Advertising: Search engines advertise by showing ads on Web pages as well as by displaying ads next to search query results. I use the Multi-armed Bandit problem to study both these forms of advertising.
Multi-armed Bandit problem: I develop and study new variants of the classical Bandit problem. These variants are motivated by real applications from databases and search engines.
Publications (DBLP)
Conference Publications
Recrawl Scheduling Based on Information Longevity
Chris Olston and Sandeep Pandey
WWW 2008, 17th International World Wide Web Conference
Crawl Ordering by Search Impact
Sandeep Pandey and Chris Olston
WSDM 2008, 1st International Conference on Web Search and Data Mining
Multi-armed Bandit Problems with Dependent Arms (PPT)
Sandeep Pandey, Deepayan Chakrabarti and Deepak Agarwal
ICML 2007, 24th International Conference on Machine Learning
The Discoverability of the Web
Anirban Dasgupta, Arpita Ghosh, Ravi Kumar, Chris Olston, Sandeep Pandey and Andrew Tomkins
WWW 2007, 16th International World Wide Web Conference
Bandits for Taxonomies: A Model-based Approach (PPT)
Sandeep Pandey, Deepak Agarwal, Deepayan Chakrabarti and Vanja Josifovski
SDM 2007, SIAM International Conference on Data Mining
Handling Advertisements of Unknown Quality in Search Advertising (PPT)
Sandeep Pandey and Chris Olston
NIPS 2006, 20th Annual Conference on Neural Information Processing Systems
Shuffling a Stacked Deck: The Case for Partially Randomized Ranking of Search Engine Results (PPT)
Sandeep Pandey, Sourashis Roy, Chris Olston, Junghoo Cho and Soumen Chakrabarti
VLDB 2005, 31st International Conference on Very Large Data Bases
User-Centric Web Crawling (PPT)
Sandeep Pandey and Chris Olston
WWW 2005, 14th International World Wide Web Conference
研究兴趣
论文共 37 篇作者统计合作学者相似作者
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WSDMpp.385-394, (2013)
Data Engineeringpp.386-397, (2013)
WWW 2012: 21st World Wide Web Conference 2012
Lyon
France
April, 2012pp.101-110, (2012)
Proceedings of the fifth ACM international conference on Web search and data mining - WSDM '12 (2012)
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