Welcome to Weining Qian's Homepage

QIAN Weining (钱卫宁)

Ph.D.
Associate Professor
Institute of Massive Computing, Software Engineering Institute, East China Normal University
Email: wnqian AT sei DOT ecnu DOT edu DOT cn

Before that I was an Assistant Professor in Department of Computer Science and Engineering, Fudan University.
You can still contact me via my old email address: wnqian AT fudan DOT edu DOT cn

Research

Projects

Research Interests

Data mining for very large databases: clustering; outlier detection; small-pattern mining
Querying and mining streaming data: query processing and optimization for streaming data; clustering multi-data-streams; mining single data stream; stream data processing in distributed environments
Data management in large-scale distributed systems: data indexing, complex query processing, mining, and publish-subscription in P2P systems
Web infrastructure: web archiving; web data extraction, storage, integration, and indexing; web log mining; linkage data management and mining; search and querying web data

Projects

SONNET: Distributed dissemination for XML documents
CHANGES: Change detection in data streams
DisG: A distributed graph data repository (for RDF and Web data)

Teaching

Operating Systems (Autumn 2008, 2009)
Distributed Systems (Autumn 2009)
Web Data Management (Spring 2009, 2010)
Java Programming Language (Summer 2009)

Research Activities

Program Commitee Members

ICDE 2008, 2009
APWeb 2008 (The 10th Asia-Pacific Web Conference, April 26-28, 2008, Shenyang, China)
IEEE MAP 2008 (The 2008 IEEE International Symposium on Mining the Asian Web, in conjunction with IEEE AINA 2008, March 25-28, 2008, Ginowan, Okinawa, Japan)
DASFAA 2008 (The 13th International Conference on Database Systems for Advanced Applications, New Delhi, India)
P2PSearch 2007 (The 2007 International Workshop on Peer-to-Peer Computing for Information Search, in conjunction with FGCN 2007, Jeju-Island, Korea)
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Other Activities

2009: ICDE'2008, DASFAA'2009, ...
2008: MS Theme Workshop
2007: ICDE'2007, APWeb/WAIM'2007, SIGMOD'2007, NDBC'2007
2006: MS Theme Workshop, ICDE'2006, DASFAA'2006
2005: DASFAA'2005, ICDE'2005, NDBC'2005
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Selected Publications

Please send me emails if you are interested in any of my papers.
(A complete list of publications, including Chinese papers, can be found here.)
List of publications from the DBLP Bibliography

Journal papers

Multi-dimensional Data Density Estimation in P2P networks. DAPD (published online)

Detecting Overlapping Community Structures in Networks. WWW Journal. 2009

An Efficient Peer-to-Peer Indexing Tree Structure for Multidimensional Data. FGCS. 2009. (extended version of INFOSCALE'2007 paper)

Adaptive indexing for content-based search in P2P systems. DKE 67(3), 2008

Using Wide Table to manage web data: a survey. FCSC 2(3), 2008

Tracking Clusters in Evolving Data Streams over Sliding Windows. KAIS Journal. 2007

Sonnet: Subscription Using Path Queries over Structured Overlay Networks. FCSC, Vol. 1, No. 2. 2007

C²: A New Overlay Network Based on CAN and Chord. IJHPCN 2005. (extended version of GCC'2003 paper)

Finding Centric Local Outliers in Categorical/Numerical Spaces. KAIS Journal 2006. (work done in CUHK)

Conference papers

Query Processing of Massive Trajectory Data based on MapReduce. CloudDB 2009

Chinese Web Infrastructure Building: Challenges and Our Roadmap (invited paper). International Workshop on Information-Explosion and the Next Generation Search 2008

DISG: A DIStributed Graph Repository for Web Infrastructure (invited paper). 2nd International Symposium on Universal Communication, 2008

TRUSTER: TRajectory Data Processing on ClUSTERs (demo paper). DASFAA 2009

Efficient Indices Using Graph Partitioning in RDF Triple Stores (short paper). ICDE 2009

COSTA: Adaptive Indexing for Terms in a Large-scale Distributed System (demo paper). ICDE 2008

Efficiently Querying RDF Data in Triple Stores (poster). WWW'2008

COSTA: Adaptive Indexing for Terms in a Large-scale Distributed System (demo paper). ICDE'2007

SDI: A Swift Tree Structure for Multi-dimensional Data Indexing in Peer-to-Peer Networks. INFOSCALE'2007

Sonnet: An Efficient Distributed Content-based Dissemination Broker. (demo paper). SIGMOD'2007

GChord:Indexing for Multi-attribute Query in P2P System with Low-maintenance-cost. DASFAA'2007

Content-based Search using Term Aggregation and Classification over Hybrid Peer-to-Peer Systems. NPC Workshops 2007

Density-based Clusteirng over an Evolving Data Stream with Noise. In SDM'2006

Mining Outliers in Spatial Networks. In DASFAA'2006

SIPPER: Selecting Informative Peers in Structured P2P Environment for Content-based Retrieval. (demo paper). In ICDE'2006

Approximately Processing Multi-granularity Aggregate Queries over a Data Stream. In ICDE'2006

CoCache: Query Processing Based on Collaborative Caching in P2P Systems. In DASFAA'2005

Bloom Filter-based XML Packets Filtering for Millions of Path Queries. In ICDE'2005

Dynamically Maintaining Frequent Items over a Data Stream. In ACM CIKM'2003

Fundings

Content-based Routing: Algorithms and Systems. Supported by Shanghai Rising-Star Program (04QMX1404). 2004.10 - 2007.10
Query Processing on Data Streams in Collaborative Networks. Supported by National Natural Science Foundation of China (NSFC) under Grant No. 60503034. 2006.1 - 2006.12
Integrated Operating Systems and Database Systems Courses and Projects. Supported by Microsoft Research Asia Windows Core Technoology - Windows Curriculum Theme. 2006.
Approximate Aggregate Query Processing over Massive Moving Objects. Supported by National Natural Science Foundation of China (NSFC) under Grant No. 60673134. 2007.1 - 2009.12

Useful Links

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