How to improve search accuracy for difficult topics is an underaddressed, yet important research question. In this paper, we consider a scenario when the search results are so poo...
This paper proposes simple techniques for handling place references in search engine queries, an important aspect of geographical information retrieval. We address not only the de...
This paper studies cross-language cross-medium information retrieval. We introduce several approaches to unify the languages and media of queries and documents. We experiment on c...
The goal of distributed information retrieval is to support effective searching over multiple document collections. For efficiency, queries should be routed to only those collectio...
The main objective of an information retrieval system is to be effective in providing a user with relevant information in response to a query. However, especially given the inform...