537 search results - page 70 / 108 » The Impact of Query Structure and Query Expansion on Retriev... |
PRL
2000
13 years 8 months ago
2000
We have developed a novel system for content-based image retrieval in large, unannotated databases. The system is called PicSOM, and it is based on tree structured self-organizing...
OTM
2005
Springer
14 years 2 months ago
2005
Springer
Because moving objects usually moves on spatial networks, efficient trajectory index structures are required to gain good retrieval performance on their trajectories. However, ther...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
Efficient indexing techniques have been developed for the exact and approximate substructure search in large scale graph databases. Unfortunately, the retrieval problem of structu...
ISMIR
2003
Springer
14 years 2 months ago
2003
Springer
In this paper we examine the retrieval performance of adjacent and concurrent n-grams generated from polyphonic music data. We deploy a method to index polyphonic music using a wo...
SIGMOD
1998
ACM
14 years 1 months ago
1998
ACM
Databases are increasingly being used to store multi-media objects such as maps, images, audio and video. Storage and retrieval of these objects is accomplished using multi-dimens...