With web image search engines, we face a situation where the results are very noisy, and when we ask for a specific object, we are not ensured that this object is contained in all...
The traditional crawlers used by search engines to build their collection of Web pages frequently gather unmodified pages that already exist in their collection. This creates unne...
In order to search corpora written in two or more languages, the simplest and most efficient approach is to translate the query submitted into the required language(s). To achieve...
The purpose of text clustering in information retrieval is to discover groups of semantically related documents. Accurate and comprehensible cluster descriptions (labels) let the ...
Personal Information Assistants that search on user’s behalf aim to fetch relevant documents on a regular basis. We have developed such assistant system and evaluated it using a...
A personal lifelog of visual and audio information can be very helpful as a human memory augmentation tool. The SenseCam, a passive wearable camera, used in conjunction with an iR...
Aiden R. Doherty, Alan F. Smeaton, Keansub Lee, Da...
Although techniques to automatically generate metadata have been steadily refined over the past decade, archive professionals at radio broadcasters continue to use conventional au...
Information Retrieval (IR) systems are built with different goals in mind. Some IR systems target high precision that is to have more relevant documents on the first page of their...