Department of Information Science http://ualr.edu/informationscience University of Arkansas at Little Rock Tue, 30 Jun 2015 21:00:43 +0000 en-US hourly 1 http://wordpress.org/?v=4.2.2 Dr. Nitin Agarwal Receives Two New Grants http://ualr.edu/informationscience/2014/08/16/dr-nitin-agarwal-receives-two-new-grants/ http://ualr.edu/informationscience/2014/08/16/dr-nitin-agarwal-receives-two-new-grants/#comments Sat, 16 Aug 2014 14:57:25 +0000 http://ualr.edu/informationscience/?p=527 Dr. Nitin Agarwal has received two new grants from Office of Naval Research and Air Force Research Lab for conflict monitoring and situation awareness with…  

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Dr. Nitin Agarwal has received two new grants from Office of Naval Research and Air Force Research Lab for conflict monitoring and situation awareness with direct application in Ukraine crisis and social media categorization study, respectively. We are working closely with NATO in the former grant. UALR Office of communication has done a piece on this news with more information (including a 3-D visualization of social network developed at EAC) at http://ualr.edu/www/2014/08/05/military-funds-professors-social-media-research-on-ukraine/

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Dr. Xiaowei Xu receives KDD’s Test of Time Award http://ualr.edu/informationscience/2014/08/16/dr-xiaowei-xu-receives-kdds-test-of-time-award/ http://ualr.edu/informationscience/2014/08/16/dr-xiaowei-xu-receives-kdds-test-of-time-award/#comments Sat, 16 Aug 2014 14:55:42 +0000 http://ualr.edu/informationscience/?p=525 Dr. Xiaowei Xu, will be recognized by Knowledge Discovery in Databases (KDD) August 24-27, 2014 in NYC for his work on the paper entitled  “A…  

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Dr. Xiaowei Xu, will be recognized by Knowledge Discovery in Databases (KDD) August 24-27, 2014 in NYC for his work on the paper entitled  “A Density-Based Algorithm for Discovering Clusters in Large Spatial Databases with Noise”.  This paper was published in KDD-1996 and has been selected as one of the KDD-2014’s Test of Time award papers (in other words, KDD considers this one of the best papers ever published by their organization over a 20 year span and one that they still recommend as a must read for researchers in the field). KDD is one of the most prestigious conference in the area of data mining and machine learning. 

For more information, read the full story.

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UALR professors earn Best Publication Award http://ualr.edu/informationscience/2013/12/19/ualr-professors-earn-best-publication-award/ http://ualr.edu/informationscience/2013/12/19/ualr-professors-earn-best-publication-award/#comments Thu, 19 Dec 2013 19:22:00 +0000 http://ualr.edu/informationscience/?p=513 LITTLE ROCK — Two professors of information science at the University of Arkansas at Little Rock have received the Best Publication Award at the…  

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LITTLE ROCK — Two professors of information science at the University of Arkansas at Little Rock have received the Best Publication Award at the International Conference on Information Systems in Milan, Italy.

Distinguished Professor and Maulden-Entergy Chair Rolf T. Wigand and Associate Professor Nitin Agarwal received the award for their article “Raising and Rising Voices in Social Media: A Novel Methodological Approach in Studying Cyber-Collective Movements.” The article appeared inBusiness & Information Systems Engineering in 2012.

The authors explained how cyber-collective social movements work in cross-cultural settings after observing female activists in Saudi Arabia who used social media platforms to protest against gender-biased laws and practices in that country.

Wigand said he and Agarwal wanted to dedicate the award “to the many Saudi women who do not have the right to drive.”

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Distinguished publication by Information Science Faculty http://ualr.edu/informationscience/2013/04/27/distinguished-publication-by-information-science-faculty/ http://ualr.edu/informationscience/2013/04/27/distinguished-publication-by-information-science-faculty/#comments Sat, 27 Apr 2013 19:44:37 +0000 http://ualr.edu/informationscience/?p=490 Rolf Wigand, Distinguished Professor of Information Science and Management and Jerry L. Maulden-Entergy Chair, published with Shahadat Uddin and Liaquat Hossain, both with the…  

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Rolf Wigand, Distinguished Professor of Information Science and Management and Jerry L. Maulden-Entergy Chair, published with Shahadat Uddin and Liaquat Hossain, both with the Center for Complex Systems Research, The University of Sydney, Sydney, Australia, an article in the International Journal of Information Technology & Decision Making, entitled, “New Directions in the Degree Centrality Measure: Towards a Time-variant Approach.”

The International Journal of Information Technology & Decision Making (IJITDM) provides a global forum for exchanging research findings and case studies which bridge the latest information technology and various decision-making techniques. It promotes how information technology improves decision techniques as well as how the development of decision-making tools affects the information technology era. The journal is peer-reviewed and publishes both high-quality academic (theoretical or empirical) and practical papers in the broad ranges of information technology related topics.

The International Journal of Information Technology & Decision Making has an impact factor of 3.139 and the journal enjoys the following rankings:

  • 7th out of 108 in COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE
  • 5th out of 126 in COMPUTER SCIENCE, INFORMATION SYSTEMS
  • 7th out of 97 in COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS
  • 3rd out of 74 in OPERATIONS RESEARCH & MANAGEMENT SCIENCE

Here is a summary of this article:

Degree centrality is considered to be one of the most basic measures of social network analysis, which has been used extensively in diverse research domains for measuring network positions of actors in respect of the connections with their immediate neighbors. In network analysis, it emphasizes the number of connections that an actor has with others. However, it does not accommodate the value of the duration of relations with other actors in a network; and therefore, this traditional degree centrality approach regards only the presence or absence of links. Here, we introduce a time-variant approach to the degree centrality measure – time scale degree centrality (TSDC), which considers both presence and duration of links among actors within a network. We illustrate the difference between the traditional and time scale degree centrality measure by applying these two approaches to explore the impact of degree attributes of a patient-physician network evolving during patient hospitalization periods on the hospital length of stay (LOS) both at a macro- and a micro-level. At a macro-level, both the traditional and time-scale approaches to degree centrality can explain the relationship between the degree attribute of the patient-physician network and LOS. However, at a micro-level or small cluster level, TSDC provides better explanation while the traditional degree centrality approach is found to be inadequate in explaining its relationship with LOS. This measure (i.e. TSDC) can explore time-variant relations that evolve among actors of a given social network.

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Dr. Agarwal Gives Special Talk to Qatar Foundation http://ualr.edu/informationscience/2013/03/25/dr-agarwal-gives-special-talk-to-qatar-foundation/ http://ualr.edu/informationscience/2013/03/25/dr-agarwal-gives-special-talk-to-qatar-foundation/#comments Mon, 25 Mar 2013 18:59:35 +0000 http://ualr.edu/informationscience/?p=486 Dr. Nitin Agarwal, assistant professor of the Information Science department was invited by the Qatar Computing Research Institute (QCRI) (http://www.qcri.qa) to visit the organization…  

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Dr. Nitin Agarwal, assistant professor of the Information Science department was invited by the Qatar Computing Research Institute (QCRI) (http://www.qcri.qa) to visit the organization and deliver a talk on his research during March 17-20 in Doha. QCRI is supported by the Qatar Foundation that envisions to transform its largely energy-based economy to a knowledge-based economy by 2030. QCRI has brought together internationally recognized scientists and houses research labs on Social Computing, Arab Language Technology, Distributed Computing, and Data Analytics and collaborates extensively with Al Jazeera news organization for data acquisition, translation of research to real-world applications, and subject domain expertise, among other collaborative efforts.

In his talk, Dr. Agarwal discussed his research projects in social computing, especially the promising role of social media in socio-political and economic transformation of the Arab world in specific and society in general. Taking examples from the Arab Spring, the Saudi Arabian women’s movements to protest against inequitable rights, and crisis management during natural disasters, Dr. Agarwal illustrated the important role of social media in mobilization and manifestation of collective actions and how such amorphous and ‘unorganized’ organizations emerge and work effectively in cross-cultural settings. Implications of this research could be envisioned in (but not limited to) promoting citizen engagement towards better governance and policy making, developing smart and connected health applications for the well-being of the society, advancing collective learning paradigms to facilitate massive and open education, and exploring the burgeoning “crowdfunding” model in the micro-financing sector. More details on these federally funded projects could be obtained from http://ualr.edu/nxagarwal/.

Dr. Agarwal further emphasized the need for reaching out to collaborations from different disciplines such as, sociology, psychology, cognitive and behavioral sciences, mathematics, statistics, among others. This is of utmost importance for the growth of interdisciplinary research areas, such as social computing, and for the synergistic advancement of the multiple disciplines involved. This is especially true in the age of big data. Just as the data is coming from diverse sources so should the perspectives of analysis be to avoid falling into the “data-fishing” trap. Researchers with same disciplinary background may lack insights to guide the analysis or even shape the hypothesis.

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John Talburt to Give the Key Note Address http://ualr.edu/informationscience/2013/02/28/john-talburt-to-give-the-key-note-address/ http://ualr.edu/informationscience/2013/02/28/john-talburt-to-give-the-key-note-address/#comments Thu, 28 Feb 2013 22:45:11 +0000 http://ualr.edu/informationscience/?p=477 John Talburt has been invited to give the keynote address and a workshop at the Data Quality Asia Pacific Congress, March 5-7, 2013 ,…  

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John Talburt has been invited to give the keynote address and a workshop at the Data Quality Asia Pacific Congress, March 5-7, 2013 , in Sydney, Australia (http://www.dqasiapacific.com/).

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Dr. Talburt to speak at the 2009 Database Grand Conference, Seoul, South Korea http://ualr.edu/informationscience/2009/11/02/dr-talburt-to-speak-at-the-2009-database-grand-conference-seoul-south-korea/ http://ualr.edu/informationscience/2009/11/02/dr-talburt-to-speak-at-the-2009-database-grand-conference-seoul-south-korea/#comments Tue, 03 Nov 2009 02:10:54 +0000 http://ualr.edu/informationquality/?p=179 During the last week of October, Dr. John Talburt, Graduate Coordinator for the UALR Information Quality Graduate Program, will travel to Seoul, South Korea…  

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During the last week of October, Dr. John Talburt, Graduate Coordinator for the UALR Information Quality Graduate Program, will travel to Seoul, South Korea to speak at the 2009 Database Grand Conference (http://www.dbq.or.kr/conference/). His talk is entitled “A New View of Information Quality and its Consilience with Data Governance.” In his talk he will present a value-based perspective of Information Quality in which information is managed as an organizational asset.  He will also discuss the connection between information quality and “BIT” model promoted by The Data Governance Institute.

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Record Enrollments for Fall 2009 http://ualr.edu/informationscience/2009/11/02/record-enrollments-for-fall-2009/ http://ualr.edu/informationscience/2009/11/02/record-enrollments-for-fall-2009/#comments Tue, 03 Nov 2009 02:06:13 +0000 http://ualr.edu/informationquality/?p=176 The UALR Information Quality Graduate Program posted another record enrollment of 79 students for the fall 2009 semester. The program’s growth of 30 percent…  

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The UALR Information Quality Graduate Program posted another record enrollment of 79 students for the fall 2009 semester. The program’s growth of 30 percent outpaced the university’s 10 percent increase in enrollment over fall 2008. The overall university enrollment of 13,167 is also a new record for the university. Founded in 2006 through a collaboration of MIT Information Quality Program, Acxiom Corporation, and the UALR Donaghey College of Engineering and Information Technology, the Information Quality Graduate Program now includes a Graduate Certificate in Information Quality, a Master of Science in Information Quality, and the Applied Science PhD in Information Quality. The rapid growth from 2009 inaugural class of 25 master’s students to the 79 students enrolled this fall, including 18 in the PhD program, reflects the increasing demand for Information Quality professionals with graduate-level education.

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Students and faculty participate in US Air Force Research Laboratory http://ualr.edu/informationscience/2009/11/02/students-and-faculty-participate-in-us-air-force-research-laboratory/ http://ualr.edu/informationscience/2009/11/02/students-and-faculty-participate-in-us-air-force-research-laboratory/#comments Tue, 03 Nov 2009 02:04:40 +0000 http://ualr.edu/informationquality/?p=174 Students and faculty participate in US Air Force Research Laboratory “Summer at Tec^Edge” Four UALR students and three UALR faculty members participated in a…  

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Students and faculty participate in US Air Force Research Laboratory “Summer at Tec^Edge” Four UALR students and three UALR faculty members participated in a 10-week summer workshop at the Wright Brothers Institute in Dayton, Ohio, sponsored by the US Air Force Research Laboratory (AFRL) at the Wright Patterson Air Force Base. Students Christopher Heien, Isaac Osesina, and Yinle Zhou, from the UALR Information Quality Graduate Program and Engin Mendi from the UALR Computer Science Department teamed with some 90 students and faculty from other US universities and AFRL personnel and contractors to work on 12 AFRL research themes.

Called “Summer at Tec^Edge” (SATE) by its director, Dr. Rob Williams, it is an open -innovation project that brings students, faculty, and AFRL personnel together for intense collaboration in a non-classified environment. The UALR students and faculty worked on the “4-D Information Quality” team led by Dr. Rhonda Vickery from Mississippi State University. The team focused on ways to visualize surveillance information in 3 dimensions plus the time dimension (hence 4-D) and to develop information quality tools for surveillance data sets. UALR faculty mentors who worked with the students in Dayton were Dr. Edi Tudoreanu and Dr. John Talburt from the UALR Information Science Department and Dr. Mariofanna Milanova from the UALR Computer Science Department. The 4DIQ Team presented its results in a poster session at the SATE Open House on August 6, 2009. Some of their accomplishments include developing a combination objective-subjective framework for video quality assessment, using geo-located Twitter message traffic as a sensor layer, migration of the NASA WorldWind geographic rendering system into the UALR CAVE environment, and conversion of several data source interfaces to the AFRL Layered Sensor Table (LST) system from C# to Java. The UALR team also contributed to the CityBeat, Calamityville, and Gotcha! team projects.

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Infoglide Software to Sponsor UALR IQ Program http://ualr.edu/informationscience/2009/06/20/infoglide-software-to-sponsor-ualr-iq-program/ http://ualr.edu/informationscience/2009/06/20/infoglide-software-to-sponsor-ualr-iq-program/#comments Sat, 20 Jun 2009 15:38:20 +0000 http://ualr.edu/informationquality/?p=62 Infoglide Software Corporation of Austin, Texas, agreed to be a sponsor of the Information Quality Graduate Program.  Infoglide Software (www.infoglide.com) supplies identity resolution and…  

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Infoglide Software Corporation of Austin, Texas, agreed to be a sponsor of the Information Quality Graduate Program.  Infoglide Software (www.infoglide.com) supplies identity resolution and entity analytics solutions to government and commercial markets.  As part of the agreement, Infoglide will fund a scholarship to be awarded to outstanding students in the Information Quality Graduate Program, provide internship opportunities for eligible students, and provide a no-cost, evaluation license of its Identity Resolution Engine software for instructional use in the program.  “We”™re proud to support a leading center for advanced research on entity resolution,” said Robert Barker, senior vice president at Infoglide Software. “Now students and faculty at UALR’s ERIQ Lab can take advantage of our Identity Resolution Engine in their course work and research.” The agreement represents the next step in the relationship that started when John Talburt agreed to provide regular posts on Identity Resolution Daily (www.identityresolutiondaily.com).

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