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Displaying 1-39 out of 39 total
Typicality-Based Collaborative Filtering Recommendation
Found in: IEEE Transactions on Knowledge and Data Engineering
By Yi Cai,Ho-fung Leung,Qing Li,Huaqing Min,Jie Tang,Juanzi Li
Issue Date:March 2014
pp. 766-779
Collaborative filtering (CF) is an important and popular technology for recommender systems. However, current CF methods suffer from such problems as data sparsity, recommendation inaccuracy, and big-error in predictions. In this paper, we borrow ideas of ...
 
Term Filtering with Bounded Error
Found in: Data Mining, IEEE International Conference on
By Zi Yang, Wei Li, Jie Tang, Juanzi Li
Issue Date:December 2010
pp. 609-618
In this paper, we consider a novel problem referred to as term filtering with bounded error to reduce the term (feature) space by eliminating terms without (or with bounded) information loss. Different from existing works, the obtained term space provides ...
 
TyCo: Towards Typicality-based Collaborative Filtering Recommendation
Found in: Tools with Artificial Intelligence, IEEE International Conference on
By Yi Cai, Ho-fung Leung, Qing Li, Jie Tang, Juanzi Li
Issue Date:October 2010
pp. 97-104
Collaborative filtering (CF) is an important and popular technology for recommendation systems. However, current collaborative filtering methods suffer from some problems such as sparsity problem, inaccurate recommendation and producing big-error predictio...
 
RiMOM: A Dynamic Multistrategy Ontology Alignment Framework
Found in: IEEE Transactions on Knowledge and Data Engineering
By Juanzi Li, Jie Tang, Yi Li, Qiong Luo
Issue Date:August 2009
pp. 1218-1232
Ontology alignment identifies semantically matching entities in different ontologies. Various ontology alignment strategies have been proposed; however, few systems have explored how to automatically combine multiple strategies to improve the matching effe...
 
Path Similarity Based Directory Ontology Matching
Found in: Web-Age Information Management, International Conference on
By Qian Zhong, Juanzi Li, Jie Tang, Yi Li, Lizhu Zhou
Issue Date:July 2008
pp. 37-44
In a directory ontology, only concepts and hypernym/hyponym relationships between them are defined. Directory ontologies are widely used in many real-world applications such as product catalogues and Web directories. The widely used heterogeneous directori...
 
LDA Based Related Word Detection in Advertising
Found in: Web Information Systems and Applications Conference
By Xin Jin, Huan Xia, Juanzi Li
Issue Date:August 2010
pp. 90-94
In this paper, we propose a new method for related word detection in Advertising by combining LDA topic model and word co-occurrence. We use a corpus of BaiduBaike, which is a Chinese Encyclopedia, to calculate the word co-occurrence. Words allocation on t...
 
Modeling Ontology of Folksonomy with Latent Semantics of Tags
Found in: Web Intelligence and Intelligent Agent Technology, IEEE/WIC/ACM International Conference on
By Ali Daud, Juanzi Li, Lizhu Zhou, Lei Zhang, Ying Ding, Faqir Muhammad
Issue Date:September 2010
pp. 516-523
Modeling ontology of folksonomy provides a way of learning light weight ontology’s which is a hot topic investigated recently. Previous approaches for modeling ontology of folksonomy either ignores semantics (synonymy, hyponymy or polysemy) or do not simul...
 
Service Data Correlation Modeling and Its Application in Data-Driven Service Composition
Found in: IEEE Transactions on Services Computing
By Zhifeng Gu, Bin Xu, Juanzi Li
Issue Date:October 2010
pp. 279-291
In this paper, we propose the Service Data Link model (SDL), a service relationship modeling schema, to describe service data correlations, which are data mappings among the input and output attributes of services. SDL recognizes the close correspondence b...
 
Social Community Analysis via a Factor Graph Model
Found in: IEEE Intelligent Systems
By Zi Yang, Jie Tang, Juanzi Li, Wenjun Yang
Issue Date:May 2011
pp. 58-65
<p>Formalizing social networks in a factor graph model and using a learning algorithm to estimate the pairwise social influence between nodes can help inform multilevel social community analysis.</p>
 
Automatic Service Composition Based on Enhanced Service Dependency Graph
Found in: Web Services, IEEE International Conference on
By Zhifeng Gu, Juanzi Li, Bin Xu
Issue Date:September 2008
pp. 246-253
Service dependency graph (SDG) is an AND/OR graph showing input output dependencies among service operations. As dependencies in an SDG are indirectly expressed by reasoning on data models used by service interface definitions, their re-usability and expre...
 
Searching and Selecting the Best Web Service Chain
Found in: Computing, Communication, Control and Management, ISECS International Colloquium on
By Jianqiang Hu, Juanzi Li
Issue Date:August 2008
pp. 627-630
Some semantic-automatic service composition frameworks including Tsinghua-KEG SWSCF are reasonable solutions, which allow users to use semantic process templates to capture the semantic requirement ofthe process. However, it is a challenging problem in sea...
 
System II: A Native RDF Repository Based on the Hypergraph Representation for RDF Data Model
Found in: Web-Age Information Management, International Conference on
By Gang Wu, Juanzi Li, Jianqiang Hu, Kehong Wang
Issue Date:July 2008
pp. 62-69
In order to manage the increasing amount of RDF data, an RDF repository should provide not only necessary scalability and efficiency, but also sufficient inference capabilities. Though existing RDF repositories have made progress towards this goal, there i...
 
Name Disambiguation Using Atomic Clusters
Found in: Web-Age Information Management, International Conference on
By Feng Wang, Juanzi Li, Jie Tang, Jing Zhang, Kehong Wang
Issue Date:July 2008
pp. 357-364
Name ambiguity is a critical problem in many applications, in particular in the online bibliography systems, such as DBLP and CiteSeer. Previously, several clustering based methods have been proposed although, the problem still presents to be a big challen...
 
Recommendation over a Heterogeneous Social Network
Found in: Web-Age Information Management, International Conference on
By Jing Zhang, Jie Tang, Bangyong Liang, Zi Yang, Sijie Wang, Jingjing Zuo, Juanzi Li
Issue Date:July 2008
pp. 309-316
With the Web content having been changed from homogeneity to heterogeneity, the recommendation becomes a more challenging issue. In this paper, we have investigated the recommendation problem on a general heterogeneous Web social network. We categorize the...
 
Enhancing Semantic Web by Semantic Annotation: Experiences in Building an Automatic Conference Calendar
Found in: Web Intelligence, IEEE / WIC / ACM International Conference on
By Xin Xin, Juanzi Li, Jie Tang
Issue Date:November 2007
pp. 439-442
In this paper, we describe a Semantic Web application that builds a customizable conference calendar. In contrast to previous works aiming at manually creating a list of upcoming/current and past conferences, in this work we aim at providing a semantic con...
 
A Unified Approach to Researcher Profiling
Found in: Web Intelligence, IEEE / WIC / ACM International Conference on
By Limin Yao, Jie Tang, Juanzi Li
Issue Date:November 2007
pp. 359-366
This paper addresses the issue of researcher profiling. By researcher profiling, we mean building a semantic profile for an academic researcher, by identifying and annotating information from the Web. Previously, person profile annotation was often underta...
 
SWRank: An Approach for Ranking Semantic Web Reversely and Consistently
Found in: Semantics, Knowledge and Grid, International Conference on
By Gang Wu, Juanzi Li
Issue Date:October 2007
pp. 116-121
The semantic web is a typical link-based graph con- sisting of resources (labeled nodes) and relations (labeled edges). Ranking facility is required in order to assist human and intelligent agent in finding appropriate resources from massive knowledge orga...
 
Verification of Web Service Conversations Specified in WSCL
Found in: Computer Software and Applications Conference, Annual International
By Zhifeng Gu, Juanzi Li, Jie Tang, Bin Xu, Ruobo Huang
Issue Date:July 2007
pp. 432-437
This paper studies one of the standards about web service conversations, the WSCL specification. We propose a method to verify conversations in WSCL. In this method we first propose using a translator to convert WSCL documents into promela, the modeling la...
 
Inheritance-Aware Document-Driven Service Composition
Found in: E-Commerce Technology, IEEE International Conference on, and Enterprise Computing, E-Commerce, and E-Services, IEEE International Conference on
By Zhifeng Gu, Bin Xu, Juanzi Li
Issue Date:July 2007
pp. 513-516
In this paper, we proposed a fast service composition method to solve the semantic composition problem defined by WS-Challenge. We construct an inverted table to index the services according to their output attributes. Based on the index, we developed the ...
 
Ontology-Based Test Case Generation for Testing Web Services
Found in: Autonomous Decentralized Systems, International Symposium on
By Yongbo Wang, Xiaoying Bai, Juanzi Li, Ruobo Huang
Issue Date:March 2007
pp. 43-50
Web Services (WS) enables agile application development by orchestrating the existing service components. However, the dynamically constructed service-based system has to be tested dynamically and automatically at runtime without human intervention. To add...
 
SWARMS: A New Tool for Domain Exploration in Semantic Web
Found in: Semantics, Knowledge and Grid, International Conference on
By Bangyong Liang, Jie Tang, Juanzi Li, Kehong Wang
Issue Date:November 2006
pp. 65
This paper is concerned with ?domain exploration?. By domain exploration, we mean searching for data on a specific domain which has been modeled by ontology. We have found that exploration needs on a domain can be categorized into data search and navigatio...
 
Ontology Assisted Web Services Discovery
Found in: Service-Oriented System Engineering, IEEE International Workshop on
By Po Zhang, Juanzi Li
Issue Date:October 2005
pp. 45-50
<p>This paper proposes the construction method and the formal description of Web Service Discovery Oriented Ontology, then gives the definition of Ontology-based Knowledge Base. As the data layer and semantic layer of the whole framework of Semantic ...
 
Asynchronous Communication For Complicated E-Commerce Applications
Found in: Quality Software, International Conference on
By WeiQi Cao, JuanZi Li, KeHong Wang, Tao Zeng
Issue Date:November 2003
pp. 161
In this paper, we explored the various complicated E-Commerce Applications enhanced by loosely coupled asynchronous communication. And then, we put forward the automatic modeling of E-Commerce based on the server-side component models. It fully leverages t...
 
Modeling and Implementation of Unified Semantic Web Platform
Found in: Web Intelligence, IEEE / WIC / ACM International Conference on
By Jianjun Xu, Qian Zhu, Juanzi Li, Po Zhang, Kehong Wang
Issue Date:September 2004
pp. 603-606
More and more infrastructure software for semantic web has emerged with the popularity of Semantic Web. Now Semantic Web applications are calling for different infrastructure software to support essential ontology operations, such as ontology persistence, ...
 
Mining competitive relationships by learning across heterogeneous networks
Found in: Proceedings of the 21st ACM international conference on Information and knowledge management (CIKM '12)
By Jacklyne Keomany, Jie Tang, Juanzi Li, Liangwei Wang, Tian Li, Yang Yang, Yanting Zhao, Ying Ding
Issue Date:October 2012
pp. 1432-1441
Detecting and monitoring competitors is fundamental to a company to stay ahead in the global market. Existing studies mainly focus on mining competitive relationships within a single data source, while competing information is usually distributed in multip...
     
Social context summarization
Found in: Proceedings of the 34th international ACM SIGIR conference on Research and development in Information (SIGIR '11)
By Jie Tang, Juanzi Li, Keke Cai, Li Zhang, Zhong Su, Zi Yang
Issue Date:July 2011
pp. 255-264
We study a novel problem of social context summarization for Web documents. Traditional summarization research has focused on extracting informative sentences from standard documents. With the rapid growth of online social networks, abundant user generated...
     
Understanding retweeting behaviors in social networks
Found in: Proceedings of the 19th ACM international conference on Information and knowledge management (CIKM '10)
By Jie Tang, Jingyi Guo, Juanzi Li, Keke Cai, Li Zhang, Zhong Su, Zi Yang
Issue Date:October 2010
pp. 1633-1636
Retweeting is an important action (behavior) on Twitter, indicating the behavior that users re-post microblogs of their friends. While much work has been conducted for mining textual content that users generate or analyzing the social network structure, fe...
     
Community-based topic modeling for social tagging
Found in: Proceedings of the 19th ACM international conference on Information and knowledge management (CIKM '10)
By Bing He, Cassidy Sugimoto, Daifeng Li, Erjia Yan, Jie Tang, Juanzi Li, Tianxi Dong, Ying Ding, Zheng Qin
Issue Date:October 2010
pp. 1565-1568
Exploring community is fundamental for uncovering the connections between structure and function of complex networks and for practical applications in many disciplines such as biology and sociology. In this paper, we propose a TTR-LDA-Community model which...
     
Recommendation based on object typicality
Found in: Proceedings of the 19th ACM international conference on Information and knowledge management (CIKM '10)
By Ho-fung Leung, Jie Tang, Juanzi Li, Qing Li, Yi Cai
Issue Date:October 2010
pp. 1529-1532
Current recommendation methods are mainly classified into content-based, collaborative filtering and hybrid methods. These methods are based on similarity measurements among items or users. In this paper, we investigate recommendation systems from a new pe...
     
A gauss function based approach for unbalanced ontology matching
Found in: Proceedings of the 35th SIGMOD international conference on Management of data (SIGMOD '09)
By Guotong Xie, Hanyu Li, Jie Tang, Juanzi Li, Lizhu Zhou, Qian Zhong, Yue Pan
Issue Date:June 2009
pp. 3-4
Ontology matching, aiming to obtain semantic correspondences between two ontologies, has played a key role in data exchange, data integration and metadata management. Among numerous matching scenarios, especially the applications cross multiple domains, we...
     
ArnetMiner: extraction and mining of academic social networks
Found in: Proceeding of the 14th ACM SIGKDD international conference on Knowledge discovery and data mining (KDD '08)
By Jie Tang, Jing Zhang, Juanzi Li, Li Zhang, Limin Yao, Zhong Su
Issue Date:August 2008
pp. 5-6
This paper addresses several key issues in the ArnetMiner system, which aims at extracting and mining academic social networks. Specifically, the system focuses on: 1) Extracting researcher profiles automatically from the Web; 2) Integrating the publicatio...
     
Cross-lingual knowledge linking across wiki knowledge bases
Found in: Proceedings of the 21st international conference on World Wide Web (WWW '12)
By Zhichun Wang, Zhigang Wang, Jie Tang, Juanzi Li
Issue Date:April 2012
pp. 459-468
Wikipedia becomes one of the largest knowledge bases on the Web. It has attracted 513 million page views per day in January 2012. However, one critical issue for Wikipedia is that articles in different language are very unbalanced. For example, the number ...
     
Discovering the staring people from social networks
Found in: Proceedings of the 18th international conference on World wide web (WWW '09)
By Dewei Chen, Jie Tang, Juanzi Li, Lizhu Zhou
Issue Date:April 2009
pp. 66-66
In this paper, we study a novel problem of staring people discovery from social networks, which is concerned with finding people who are not only authoritative but also sociable in the social network. We formalize this problem as an optimization programmin...
     
Academic conference homepage understanding using constrained hierarchical conditional random fields
Found in: Proceeding of the 17th ACM conference on Information and knowledge mining (CIKM '08)
By Jie Tang, Juanzi Li, Qiong Luo, Xin Xin
Issue Date:October 2008
pp. 1001-1001
We address the problem of academic conference homepage understanding for the Semantic Web. This problem consists of three labeling tasks - labeling conference function pages, function blocks, and attributes. Different from traditional information extractio...
     
WWW 2008 workshop on social web search and mining: SWSM2008
Found in: Proceeding of the 17th international conference on World Wide Web (WWW '08)
By Gui-rong Xue, Jie Tang, Juanzi Li, Ying Ding
Issue Date:April 2008
pp. 1-7
This paper provides an overview on the synergies between social web and knowledge managemen, topics, program committee members as well as summary of accepted papers for the SWKM2008 workshop.
     
A unified framework for name disambiguation
Found in: Proceeding of the 17th international conference on World Wide Web (WWW '08)
By Duo Zhang, Jie Tang, Jing Zhang, Juanzi Li
Issue Date:April 2008
pp. 1-7
Name ambiguity problem has been a challenging issue for a long history. In this paper, we intend to make a thorough investigation of the whole problem. Specifically, we formalize the name disambiguation problem in a unified framework. The framework can inc...
     
Extraction and mining of an academic social network
Found in: Proceeding of the 17th international conference on World Wide Web (WWW '08)
By Jie Tang, Jing Zhang, Juanzi Li, Limin Yao
Issue Date:April 2008
pp. 1-7
This paper addresses several key issues in extraction and mining of an academic social network: 1) extraction of a researcher social network from the existing Web; 2) integration of the publications from existing digital libraries; 3) expertise search on a...
     
System  II: a hypergraph based native rdf repository
Found in: Proceeding of the 17th international conference on World Wide Web (WWW '08)
By Gang Wu, Juanzi Li, Kehong Wang
Issue Date:April 2008
pp. 1-7
To manage the increasing amount of RDF data, an RDF repository should provide not only necessary scalability and efficiency, but also sufficient inference capabilities. In this paper, we propose a native RDF repository, System, to pursue a better tradeoff ...
     
EOS: expertise oriented search using social networks
Found in: Proceedings of the 16th international conference on World Wide Web (WWW '07)
By Jie Tang, Jing Zhang, Juanzi Li, Mingcai Hong, Qiong Luo, Yunhao Liu
Issue Date:May 2007
pp. 1271-1272
In this paper, we present the design and implementation of our expertise oriented search system, EOS http://www.arnetminer.net. EOS is a researcher social network system. It has gathered information about a half-million computer science researchers from th...
     
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