A funded PhD position (4 years) in AI is available at the Department of Applied Mathematics, Computer Science, and Statistics of Ghent University. The ideal candidate has recently completed or will soon complete a master in computer science or a similar discipline.

Please encourage potential candidates to apply by Aug 1!

***

Job description

A long standing goal of artificial intelligence is to design systems that can learn and acquire knowledge by interacting with their environment. A common and effective way for humans to acquire knowledge is through consulting readily available textual sources, such as books, newspapers, web pages and so on. Processing and learning from this type of data requires the abilities to automatically extract information from text, to learn rules that fuse together different pieces of information to make novel inferences and to reason about which extracted and inferred facts are true.

The offered PhD position is part of a larger project in cooperation with the KU Leuven, aimed at developing a machine reading system in which the algorithms for extracting, learning and inference are tightly integrated. In this project you will work together with other researchers. The focus of your research will be on the inference part, which is crucial to deal with inconsistencies that might arise when different sources (possibly with varying levels of trustworthiness) contradict each other, or due to errors in the interpretation of the sources (e.g., because they contain vague or ambiguous language).

One avenue to explore is the use of a stratified possibilistic knowledge base where formulas and facts are organized into equivalence classes and ranked from most to least certain. This may confer several advantages in the context of the project. For example, it can alleviate the problem of calibrating probability estimates from different algorithms used for extraction of facts, as we no longer would need to worry about minor discrepancies in probability estimates. Furthermore, it will allow to reduce many inference tasks to satisfiability problems. Therefore, it will be possible to leverage the recent advances in satifiability solvers and avoid some of the computation burdens of more traditional probabilistic inference.

All developed techniques and algorithms will be evaluated on information extracted from text found in biological and medical web pages.

***

Job profile

The position is open to a highly motivated candidate interested to do research in an academic environment for a period of 4 years in view of a PhD degree. The ideal candidate will recently have completed or will soon complete a master in computer science or a similar discipline. He or she has a large interest in knowledge representation and reasoning, and is a responsible, communicative and flexible person who is able to plan and carry out tasks in an independent way. Excellent (honors-level) results in prior studies are required. The candidate is fluent in spoken and written English.

***

How to apply

Interested candidates are asked to submit their CV and a motivation letter to prof. Martine De Cock (martine.dec...@ugent.be). Screening of credentials will begin Aug 1, 2013 and continue until the position is filled.

https://www.ugent.be/en/news/vacancies/scientific/tboap30092013

=========================================================
Prof. dr. Martine De Cock
Department of Applied Mathematics, Computer Science and Statistics
Ghent University
Krijgslaan 281 (S9),            tel. : +32 (0)9/264.47.70
B-9000 Gent  (Belgium)          fax. : +32 (0)9/264.49.95
http://www.cwi.UGent.be
_______________________________________________
uai mailing list
uai@ENGR.ORST.EDU
https://secure.engr.oregonstate.edu/mailman/listinfo/uai

Reply via email to