基本信息
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职业迁徙
个人简介
I passed my PhD thesis defense in May 2015. My thesis title is "Effective Exploration of Web and Social Network Data".
I worked in the Database Lab under the supervision of Dr. Vagelis Hristidis.
Research Interests
Web Search, Semantic Web Data, Social Network Data, Keyword Search on (Semi-)structured Data.
Publications
Mohiuddin Abdul Qader, Shiwen Cheng, Abhinand Menon, Vagelis Hristidis. Efficient Secondary Attribute Lookup in NoSQL Databases. Submitted to TKDE.
Shiwen Cheng, Marek Chrobak, Vagelis Hristidis. Slowing the Firehose: Multi-Dimensional Diversity on Social Post Streams. International Conference on Extending Database Technology (EDBT) 2016 (full paper)
Shiwen Cheng, James Fang, Vagelis Hristidis, Harsha V. Madhyastha, Niluthpol Chowdhury Mithun, Dorian Perkins, Amit K. Roy-Chowdhury, Moloud Shahbazi, and Vassilis J. Tsotras. OSNI: Searching for Needles in a Haystack of Social Network Data. International Conference on Extending Database Technology (EDBT) 2016 (demo paper)
CanghongJin, Minghui Wu, Zemin Liu, Shiwen Cheng. Efficient Information Extraction Based on Signature Index. International Journal of Database Theory and Application Vol.8, No.2 (2015)
Shiwen Cheng, Anastasios Arvanitis, Marek Chrobak, Vagelis Hristidis. Multi-Query Diversification in Microblogging Posts. International Conference on Extending Database Technology (EDBT) 2014 (full paper, acceptance rate 20%)
Shiwen Cheng, Anastasios Arvanitis, Vagelis Hristidis. How Fresh Do You Want Your Search Results? ACM Conference on Information and Knowledge Management (CIKM) 2013 (full paper, acceptance rate 16.9%) [dataset]
Shiwen Cheng, Arash Termehchy, Vagelis Hristidis. Efficient Prediction of Difficult Keyword Queries on Databases. IEEE Transactions on Knowledge and Data Engineering (TKDE) 2013
Shiwen Cheng, Vagelis Hristidis, Michael Weiner. Leveraging User Query Sessions to Improve Searching of Medical Literature. American Medical Informatics Association (AMIA) Annual Symposium 2013 [dataset]
Shiwen Cheng, Arash Termehchy, Vagelis Hristidis. Predicting the Effectiveness of Keyword Queries on Databases. ACM Conference on Information and Knowledge Management (CIKM) 2012 (full paper, acceptance rate: 13.4%)
研究兴趣
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