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...
Previous research has taught us that the typical nonprofessional information seeker on the World Wide Web submits very short queries resulting in low-precision results. We show th...
In this paper, we propose an approach to materialize XML data warehouses based on the frequent query patterns discovered from historical queries issued by users. The schemas of in...
Query expansion has been extensively studied as a technique for increasing information retrieval performance. However, due to the volume of documents available on the web, many of ...
Efficient query processing in P2P-based Web integration systems poses a variety of challenges resulting from the strict decentralization and limited knowledge. As a special probl...