Ph.D., Information and Library Science, North Carolina
Areas of ResearchInformation retrieval in emerging domains such as social media and large collections of digitized books; temporal (diachonic) issues in information retrieval; human interactions with information search and retrieval systems.
Other Professional AppointmentsDepartment Affiliate, Computer Science
Teaching this Semester
- LIS456AU Info Storage and Retrieval [Information Storage and Retrieval] (2013 SP)
- LIS456AG Info Storage and Retrieval [Information Storage and Retrieval] (2013 SP)
Time affects information retrieval in many ways. Collections of documents change as new items are indexed. The content of documents themselves may change. Users submit queries at particular moments in time. And perhaps most importantly, people’s assessment of a document’s relevance to a query is often time-dependent. For example, searchers of news archives might seek information on a past event where relevant documents cluster in a window of time. Users of social media services such as...
In order for older texts to be searchable, contemporary English needs to be translated into language from various historical timeframes. The project will develop software that will let people enter a query in contemporary English, and search over English texts throughout history—from Medieval times to the...
Microblogging services like Twitter are becoming an important part of how many people manage information in their day to day activities. As microblog traffic increases (Twitter currently sees about 50 million tweets per day) information management and organization will become keen problems in this area. The...
The Digital Collections and Content (DCC) project is a multi-phase research effort funded by IMLS to explore the socio-technical requirements for a successful digital aggregation. Conceived in 2002 as a combined collection registry and metadata repository aimed to provide a single access point to collections built from digitization efforts funded through IMLS's National Leadership Grant and LSTA programs, the IMLS DCC project explored key digital libraries issues ranging from collaboration...
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