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Displaying 1-50 out of 120 total
Trends & Controversies
Found in: IEEE Intelligent Systems
By Hsinchun Chen
Issue Date:November 2011
pp. 82-96
With the widespread availability of Business Big Data and the recent advancement in text and Web mining, tremendous opportunities exist for computational and finance researchers to advance research relating to smart market and money. This T&C Departmen...
 
Dark Web: Exploring and Mining the Dark Side of the Web
Found in: European Intelligence and Security Informatics Conference
By Hsinchun Chen
Issue Date:September 2011
pp. 1-2
This talk will review the emerging research in Terrorism Informatics based on a web mining perspective. Recent progress in the internationally renowned Dark Web project will be reviewed, including: deep/dark web spidering (web sites, forums, Youtube, virtu...
 
Business and Market Intelligence 2.0, Part 2
Found in: IEEE Intelligent Systems
By Hsinchun Chen
Issue Date:March 2010
pp. 74-82
<p>In the past few years, Web intelligence, Web analytics, Web 2.0, and user-generated content have begun to usher in a new and exciting era of research on business intelligence. An immense amount of company, industry, product, and customer informati...
 
Trends &#x0026; Controversies
Found in: IEEE Intelligent Systems
By Hsinchun Chen
Issue Date:January 2010
pp. 68-83
<p>In the last few years, Web intelligence, Web analytics, Web 2.0, and user-generated content have begun to usher in a new and exciting era of research on business intelligence. An immense amount of company, industry, product, and customer informati...
 
From Dark Web to GeoPolitical Web: Exploring the Value of Social Media Informatics
Found in: 2012 European Intelligence and Security Informatics Conference (EISIC)
By Hsinchun Chen
Issue Date:August 2012
pp. 3
This talk will summarize the University of Arizona Artificial Intelligence Lab's Dark Web research and discuss current and future development of a new GeoPolitical Web research program, which aims to study the emerging geopolitical events using advanced so...
 
Smart health and wellbeing [Trends & Controversies]
Found in: IEEE Intelligent Systems
By Hsinchun Chen
Issue Date:September 2011
pp. 78-90
In light of such overwhelming interest from governments and academia in adopting and advancing IT for effective healthcare, there are great opportunities for researchers and practitioners alike to invest efforts in conducting innovative and high-impact hea...
 
Trends and Controversies
Found in: IEEE Intelligent Systems
By Hsinchun Chen, Yulei Zhang
Issue Date:January 2011
pp. 80-89
<p>The rich social media data generated in virtual worlds has important implications for business, education, social science, and society at large. Similarly, massively multiplayer online games (MMOGs) have become increasingly popular and have online...
 
AI and Security Informatics
Found in: IEEE Intelligent Systems
By Hsinchun Chen
Issue Date:September 2010
pp. 82-90
<p>Based on the available crime and intelligence knowledge, federal, state, and local authorities can make timely and accurate decisions to select effective strategies and tactics as well as allocate the appropriate amount of resources to detect, pre...
 
AI and Opinion Mining
Found in: IEEE Intelligent Systems
By Hsinchun Chen, David Zimbra
Issue Date:May 2010
pp. 74-80
<p>Opinion mining, a subdiscipline within data mining and computational linguistics, refers to the computational techniques for extracting, classifying, understanding, and assessing the opinions expressed in various online news sources, social media ...
 
AI, E-government, and Politics 2.0
Found in: IEEE Intelligent Systems
By Hsinchun Chen
Issue Date:September 2009
pp. 64-86
<p>As the government and political process become more transparent, participatory, online, and multimedia rich, there is a great opportunity for adopting advanced artificial intelligence and intelligent systems research in e-government and politics 2...
 
Digital Libraries Supporting Digital Government
Found in: Digital Libraries, Joint Conference on
By Gary Marchionini, Anne Craig, Larry Brandt, Judith Klavans, Hsinchun Chen
Issue Date:June 2001
pp. 395-397
No summary available.
   
AI and Global Science and Technology Assessment
Found in: IEEE Intelligent Systems
By Hsinchun Chen, Ronald N. Kostoff, Chaomei Chen, Jian Zhang, Michael S. Vogeley, Katy Börner, Nianli Ma, Russell J. Duhon, Angela Zoss, Venkat Srinivasan, Edward A. Fox, Christopher C. Yang, Chih-Ping Wei
Issue Date:July 2009
pp. 68-88
Strength in science &amp; technology (S&amp;T) is the foundation of a nation's economic power, so an effective, automated means of continually assessing this strength is critical to understanding a country's economic status. Six essays on global S&...
 
Visualizing the Expertise Space
Found in: Hawaii International Conference on System Sciences
By Zan Huang, Hsinchun Chen, Fei Guo, Jennifer Jie Xu, Soushan Wu, Wun-Hwa Chen
Issue Date:January 2004
pp. 10038b
Expertise management systems are being widely adopted in organizations to manage tacit knowledge embedded in employees? heads. These systems have successfully applied many information technologies developed in fields such as information retrieval and docum...
   
NanoPort: An Example for Building Knowledge Portals for Scientific Domains
Found in: Digital Libraries, Joint Conference on
By Jialun Qin, Zan Huang, Yilu Zhou, Michael Chau, Chunju Tseng, Alan Yip, T. Gavin Ng, Fei Guo, Zhi-Kai Chen, Hsinchun Chen
Issue Date:May 2003
pp. 387
We describe the NanoPort (www.nanoport.org) system to demonstrate a general framework of building domainspecific knowledge portals. These portals consolidate diverse information resources and provide rich functionalities to support effective information re...
   
NanoPort: An Example for Building Knowledge Portals for Scientific Domains
Found in: Digital Libraries, Joint Conference on
By Jialun Qin, Zan Huang, Yilu Zhou, Michael Chau, Chunju Tseng, Alan Yip, T. Gavin Ng, Fei Guo, Zhi-Kai Chen, Hsinchun Chen
Issue Date:May 2003
pp. 387
We describe the NanoPort (www.nanoport.org) system to demonstrate a general framework of building domainspecific knowledge portals. These portals consolidate diverse information resources and provide rich functionalities to support effective information re...
   
Social Media Analytics and Intelligence
Found in: IEEE Intelligent Systems
By Daniel Zeng,Hsinchun Chen,Robert Lusch,Shu-Hsing Li
Issue Date:November 2010
pp. 13-16
In a broad sense, social media refers to a conversational, distributed mode of content generation, dissemination, and communication among communities. Different from broadcast-based traditional and industrial media, social media has torn down the boundarie...
 
An Integrated Framework for Avatar Data Collection from the Virtual World
Found in: IEEE Intelligent Systems
By Yulei Zhang,Ximing Yu,Yan Dang,Hsinchun Chen
Issue Date:November 2010
pp. 17-23
To mine the rich social media data produced in virtual worlds, an integrated framework combines bot- and spider-based approaches to collect avatar behavioral and profile data.
 
Selecting Attributes for Sentiment Classification Using Feature Relation Networks
Found in: IEEE Transactions on Knowledge and Data Engineering
By Ahmed Abbasi, Stephen France, Zhu Zhang, Hsinchun Chen
Issue Date:March 2011
pp. 447-462
A major concern when incorporating large sets of diverse n-gram features for sentiment classification is the presence of noisy, irrelevant, and redundant attributes. These concerns can often make it difficult to harness the augmented discriminatory potenti...
 
A Discrete Stock Price Prediction Engine Based on Financial News
Found in: Computer
By Robert P. Schumaker, Hsinchun Chen
Issue Date:January 2010
pp. 51-56
The Arizona Financial Text system leverages statistical learning to make trading decisions based on numeric price predictions. Research demonstrates that AZFinText outperforms the market average and performs well against existing quant funds.
 
AI for Global Disease Surveillance
Found in: IEEE Intelligent Systems
By Hsinchun Chen, Daniel Zeng, David L. Buckeridge, Masoumeh Izadi, Aman Verma, Anya Okhmatovskaia, Xiaohua Hu, Xiajiong Shen, Zhidong Cao, Fei-Yue Wang, Xiaolong Zheng, Quanyi Wang
Issue Date:November 2009
pp. 66-82
<p>In this time of increasing concern over the deadly and costly threats of infectious diseases, preparation for, early detection of, and timely response to emerging infectious diseases and epidemic outbreaks are key public-health priorities and are ...
 
A Lexicon-Enhanced Method for Sentiment Classification: An Experiment on Online Product Reviews
Found in: IEEE Intelligent Systems
By Yan Dang, Yulei Zhang, HsinChun Chen
Issue Date:July 2010
pp. 46-53
<p>A proposed lexicon-enhanced method for sentiment classification combines machine-learning and semantic-orientation approaches into one framework that significantly improves sentiment-classification performance.</p>
 
A Comparison of Tools for Detecting Fake Websites
Found in: Computer
By Ahmed Abbasi, Hsinchun Chen
Issue Date:October 2009
pp. 78-86
As fake website developers become more innovative, so too must the tools used to protect Internet users. A proposed system combines a support vector machine classifier and a rich feature set derived from website text, linkage, and images to better detect f...
 
Prospective Infectious Disease Outbreak Detection Using Markov Switching Models
Found in: IEEE Transactions on Knowledge and Data Engineering
By Hsin-Min Lu, Daniel Zeng, Hsinchun Chen
Issue Date:April 2010
pp. 565-577
Accurate and timely detection of infectious disease outbreaks provides valuable information which can enable public health officials to respond to major public health threats in a timely fashion. However, disease outbreaks are often not directly observable...
 
Guest Editors' Introduction: Special Section on Intelligence and Security Informatics
Found in: IEEE Transactions on Knowledge and Data Engineering
By Daniel Dajun Zeng, Hsinchun Chen, Fei-Yue Wang, Hillol Kargupta
Issue Date:August 2008
pp. 1009-1012
No summary available.
 
Affect Analysis of Web Forums and Blogs Using Correlation Ensembles
Found in: IEEE Transactions on Knowledge and Data Engineering
By Ahmed Abbasi, Hsinchun Chen, Sven Thoms, Tianjun Fu
Issue Date:September 2008
pp. 1168-1180
Analysis of affective intensities in computer mediated communication is important in order to allow a better understanding of online users? emotions and preferences. Despite considerable research on textual affect classification, it is unclear which featur...
 
Graph Kernel-Based Learning for Gene Function Prediction from Gene Interaction Network
Found in: Bioinformatics and Biomedicine, IEEE International Conference on
By Xin Li, Zhu Zhang, Hsinchun Chen, Jiexun Li
Issue Date:November 2007
pp. 368-373
Prediction of gene functions is a major challenge to biol- ogists in the post-genomic era. Interactions between genes and their products compose networks and can be used to infer gene functions. Most previous studies used heuris- tic approaches based on ei...
 
A Comparison of Collaborative-Filtering Recommendation Algorithms for E-commerce
Found in: IEEE Intelligent Systems
By Zan Huang, Daniel Zeng, Hsinchun Chen
Issue Date:September 2007
pp. 68-78
An evaluation of six recommendation algorithms on e-commerce-related data sets is an initial step toward a metalevel guideline for choosing the best algorithm for a given application with certain data characteristics. Two of the evaluated algorithms are th...
 
Collection of U.S. Extremist Online Forums: A Web Mining Approach
Found in: Hawaii International Conference on System Sciences
By Yilu Zhou, Jialun Qin, Guanpi Lai, Hsinchun Chen
Issue Date:January 2007
pp. 70c
Extremists? exploitation of computer-mediated communications such as online forums has recently gained much attention from academia and the government. However, due to the covert nature of these forums and the dynamic nature of the Internet, there have bee...
   
Using Social Contextual Information to Match Criminal Identities
Found in: Hawaii International Conference on System Sciences
By G. Alan Wang, Jennifer J. Xu, Hsinchun Chen
Issue Date:January 2006
pp. 81b
Criminal identity matching is crucial to crime investigation in law enforcement agencies. Existing techniques match identities that refer to the same individuals based on simple identity features. These techniques are subject to several problems. First, th...
   
US Domestic Extremist Groups on the Web: Link and Content Analysis
Found in: IEEE Intelligent Systems
By Yilu Zhou, Edna Reid, Jialun Qin, Hsinchun Chen, Guanpi Lai
Issue Date:September 2005
pp. 44-51
US domestic extremist groups have increased in numbers and are using the Internet intensively as a tool to share resources and members with limited regard for geographic, legal, or other obstacles. Researchers find that monitoring extremist and hate groups...
 
Applying Authorship Analysis to Extremist-Group Web Forum Messages
Found in: IEEE Intelligent Systems
By Ahmed Abbasi, Hsinchun Chen
Issue Date:September 2005
pp. 67-75
One major challenge facing the intelligence and security community is monitoring online media for terrorist group communications. This study addresses the online anonymity problem by applying authorship analysis to English and Arabic extremist group Web fo...
 
BioPortal: a case study in infectious disease informatics
Found in: Digital Libraries, Joint Conference on
By Chunju Tseng, Cecil Lynch, Ivan Gotham, Millicent Eidson, Wei Chang, Hsinchun Chen, Daniel Zeng
Issue Date:June 2005
pp. 418-418
We present the BioPortal system, an integrated cross-jurisdictional data sharing and analysis environment to facilitate detection, prevention, and management of infectious disease outbreaks.
 
Studying the presence of terrorism on the web: an knowledge portal approach
Found in: Digital Libraries, Joint Conference on
By Guanpi Lai, Edna Reid, Jialun Qin, Hsinchun Chen, Yilu Zhou
Issue Date:June 2005
pp. 402-402
No abstract available
 
SpidersRUs: automated development of vertical search engines in different domains and languages
Found in: Digital Libraries, Joint Conference on
By Yilu Zhou, Chunju Tseng, Jialun Qin, Hsinchun Chen, Michael Chau
Issue Date:June 2005
pp. 110-111
In this paper we discuss the architecture of a tool designed to help users develop vertical search engines in different domains and different languages. The design of the tool is presented and an evaluation study was conducted, showing that the system is e...
 
Terror tracker system: a web portal for terrorism research
Found in: Digital Libraries, Joint Conference on
By Jerod Wilkerson, Tao Wang, Hsinchun Chen, Robert P. Schumaker
Issue Date:June 2005
pp. 416-416
No abstract available
 
Visualizing aggregated biological pathway relations
Found in: Digital Libraries, Joint Conference on
By Shauna Eggers, Karin Quiñones, Hua Su, Hsinchun Chen, Byron Marshall
Issue Date:June 2005
pp. 67-68
The Genescene development team has constructed an aggregation interface for automatically-extracted biomedical pathway relations that is intended to help researchers identify and process relevant information from the vast digital library of abstracts found...
 
Link prediction approach to collaborative filtering
Found in: Digital Libraries, Joint Conference on
By Hsinchun Chen, Xin Li, Zan Huang
Issue Date:June 2005
pp. 141-142
Recommender systems can provide valuable services in a digital library environment, as demonstrated by its commercial success in book, movie, and music industries. One of the most commonly-used and successful recommendation algorithms is collaborative filt...
 
Using Genetic Algorithm in Building Domain-Specific Collections: An Experiment in the Nanotechnology Domain
Found in: Hawaii International Conference on System Sciences
By Jialun Qin, Hsinchun Chen
Issue Date:January 2005
pp. 102b
As the key technique to build domain-specific search engines, focused crawling has drawn a lot of attention from researchers in the past decade. However, as Web structure analysis techniques advance, several problems in traditional focused crawler design w...
   
Supporting Information Seeking in Multinational Organizations: A Knowledge Portal Approach
Found in: Hawaii International Conference on System Sciences
By Wingyan Chung, Theodore Elhourani, Alfonso Bonillas, Guanpi Lai, Wei Xi, Hsinchun Chen
Issue Date:January 2005
pp. 272b
As multinational organizations increasingly use the Web to seek information, there is a need for better support of searching the Web across different regions. However, support for Internet searching in non-English speaking regions is much weaker than that ...
   
Multilingual Web Retrieval: An Experiment on a Multilingual Business Intelligence Portal
Found in: Hawaii International Conference on System Sciences
By Yilu Zhou, Jialun Qin, Hsinchun Chen, Jay F. Nunamaker
Issue Date:January 2005
pp. 43a
The amount of non-English information on the Web has proliferated so rapidly in recent years that it often is difficult for a user to retrieve documents in an unfamiliar language. In this study, we report the design and evaluation of a multilingual Web por...
   
Crime Data Mining: A General Framework and Some Examples
Found in: Computer
By Hsinchun Chen, Wingyan Chung, Jennifer Jie Xu, Gang Wang, Yi Qin, Michael Chau
Issue Date:April 2004
pp. 50-56
The volume of crime data is increasing along with the incidence and complexity of crimes. Data mining is a powerful tool that criminal investigators who may lack extensive training as data analysts can use to explore large databases quickly and efficiently...
 
Segmentation of Lecture Videos Based on Text: A Method Combining Multiple Linguistic Features
Found in: Hawaii International Conference on System Sciences
By Ming Lin, Jay F. Nunamaker Jr., Michael Chau, Hsinchun Chen
Issue Date:January 2004
pp. 10003c
In multimedia-based e-Learning systems, there are strong needs for segmenting lecture videos into topic units in order to organize the videos for browsing and to provide search capability. Automatic segmentation is highly desired because of the high cost o...
   
Genescene: Biomedical Text And Data Mining
Found in: Digital Libraries, Joint Conference on
By Gondy Leroy, Hsinchun Chen, Jesse D. Martinez, Shauna Eggers, Ryan R. Falsey, Kerri L. Kislin, Zan Huang, Jiexun Li, Jie Xu, Daniel M. McDonald, Gavin Ng
Issue Date:May 2003
pp. 116
To access the content of digital texts efficiently, it is necessary to provide more sophisticated access than keyword based searching. Genescene provides biomedical researchers with research findings and background relations automatically extracted from te...
 
Convergence of Knowledge Management and E-Learning: The GetSmart Experience
Found in: Digital Libraries, Joint Conference on
By Byron Marshall, Yiwen Zhang, Hsinchun Chen, Ann Lally, Rao Shen, Edward Fox, Lillian N. Cassel
Issue Date:May 2003
pp. 135
The National Science Digital Library (NSDL), launched in December 2002, is emerging as a center of innovation in digital libraries as applied to education. As a part of this extensive project, the GetSmart system was created to apply knowledge management t...
 
Convergence of Knowledge Management and E-Learning: The GetSmart Experience
Found in: Digital Libraries, Joint Conference on
By Byron Marshall, Yiwen Zhang, Hsinchun Chen, Ann Lally, Rao Shen, Edward Fox, Lillian N. Cassel
Issue Date:May 2003
pp. 135
The National Science Digital Library (NSDL), launched in December 2002, is emerging as a center of innovation in digital libraries as applied to education. As a part of this extensive project, the GetSmart system was created to apply knowledge management t...
 
Genescene: Biomedical Text And Data Mining
Found in: Digital Libraries, Joint Conference on
By Gondy Leroy, Hsinchun Chen, Jesse D. Martinez, Shauna Eggers, Ryan R. Falsey, Kerri L. Kislin, Zan Huang, Jiexun Li, Jie Xu, Daniel M. McDonald, Gavin Ng
Issue Date:May 2003
pp. 116
To access the content of digital texts efficiently, it is necessary to provide more sophisticated access than keyword based searching. Genescene provides biomedical researchers with research findings and background relations automatically extracted from te...
 
EconPort: A Digital Library for Microeconomics Education
Found in: Digital Libraries, Joint Conference on
By Hsinchun Chen, Daniel Zeng, Riyad Kalla, Zan Huang, James C. Cox, J. Todd Swarthout
Issue Date:May 2003
pp. 388
We present the EconPort system (www.econport.org), a digital library for Microeconomics education that incorporates experimental economics software and automated e-commerce agents
   
Convergence of Knowledge Management and E-Learning: The GetSmart Experience
Found in: Digital Libraries, Joint Conference on
By Byron Marshall, Yiwen Zhang, Hsinchun Chen, Ann Lally, Rao Shen, Edward Fox, Lillian N. Cassel
Issue Date:May 2003
pp. 135
The National Science Digital Library (NSDL), launched in December 2002, is emerging as a center of innovation in digital libraries as applied to education. As a part of this extensive project, the GetSmart system was created to apply knowledge management t...
 
CMedPort: A Cross-Regional Chinese Medical Portal
Found in: Digital Libraries, Joint Conference on
By Yilu Zhou, Jialun Qin, Hsinchun Chen, Zan Huang, Yiwen Zhang, Wingyan Chung, Gang Wang
Issue Date:May 2003
pp. 379
CMedPort is a cross-regional Chinese medical Web portal developed in the AI Lab at the University of Arizona. We will demonstrate the major system functionalities.
   
EconPort: A Digital Library for Microeconomics Education
Found in: Digital Libraries, Joint Conference on
By Hsinchun Chen, Daniel Zeng, Riyad Kalla, Zan Huang, James C. Cox, J. Todd Swarthout
Issue Date:May 2003
pp. 388
We present the EconPort system (www.econport.org), a digital library for Microeconomics education that incorporates experimental economics software and automated e-commerce agents
   
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