Now showing items 1-3 of 3
Optimization of an educational search engine using learning to rank algorithms
(Bilkent University, 2015-09)
Web search is one of the most popular internet activities among users. Due to high usage of search engines, there are huge data available about history of user search issues. Using query logs as a source of implicit ...
Image information mining using spatial relationship constraints
(Bilkent University, 2012)
There is a huge amount of data which is collected from the Earth observation satellites and they are continuously sending data to Earth receiving stations day by day. Therefore, mining of those data becomes more important ...
Document ranking by graph based lexical cohesion and term proximity computation
(Bilkent University, 2008)
During the course of reading, the meaning of each word is processed in the context of the meaning of the preceding words in text. Traditional IR systems usually adopt index terms to index and retrieve documents. ...