3652 search results - page 251 / 731 » A study of query length |
ICDE
2009
IEEE
14 years 11 months ago
2009
IEEE
This work addresses a novel spatial keyword query called the m-closest keywords (mCK) query. Given a database of spatial objects, each tuple is associated with some descriptive inf...
ICDE
2009
IEEE
14 years 11 months ago
2009
IEEE
XML streams, such as RSS feeds or complex event streams, are becoming increasingly pervasive as they provide the foundation for a wide range of emerging applications. An important...
SSDBM
2009
IEEE
14 years 4 months ago
2009
IEEE
Abstract. Real-life spatial objects are usually described by their geographic locations (e.g., longitude and latitude), and multiple quality attributes. Conventionally, spatial dat...
ICDT
1999
ACM
14 years 1 months ago
1999
ACM
A large number of database index structures have been proposed over the last two decades, and little consensus has emerged regarding their relative e ectiveness. In order to empir...
ECIR
2010
Springer
13 years 11 months ago
2010
Springer
Abstract. Learning To Rank (LTR) techniques aim to learn an effective document ranking function by combining several document features. While the function learned may be uniformly ...