Sciweavers

1461 search results - page 120 / 293
» The Cost of Cache-Oblivious Searching
Sort
View
SIGMOD
2008
ACM
188views Database» more  SIGMOD 2008»
16 years 6 months ago
Just-in-time query retrieval over partially indexed data on structured P2P overlays
Structured peer-to-peer (P2P) overlays have been successfully employed in many applications to locate content. However, they have been less effective in handling massive amounts o...
Sai Wu, Jianzhong Li, Beng Chin Ooi, Kian-Lee Tan
TKDE
2011
330views more  TKDE 2011»
15 years 1 months ago
Effective Navigation of Query Results Based on Concept Hierarchies
— Search queries on biomedical databases, such as PubMed, often return a large number of results, only a small subset of which is relevant to the user. Ranking and categorization...
Abhijith Kashyap, Vagelis Hristidis, Michalis Petr...

Publication
277views
17 years 6 months ago
LUGrid: Update-tolerant Grid-based Indexing for Moving Objects
Indexing moving objects is a fundamental issue in spatiotemporal databases. In this paper, we propose an adaptive Lazy-Update Grid-based index (LUGrid, for short) that minimizes th...
Xiaopeng Xiong, Mohamed F. Mokbel, Walid G. Aref
ICIP
2003
IEEE
16 years 8 months ago
Graph-based object tracking
This paper proposes a model-based methodology for recognizing and tracking objects in digital image sequences. Objects are represented by attributed relational graphs (or ARGs), w...
Cristina Gomila, Fernand Meyer
PERCOM
2003
ACM
16 years 6 months ago
WLAN Location Determination via Clustering and Probability Distributions
We present a WLAN location determination technique, the Joint Clustering technique, that uses (1) signal strength probability distributions to address the noisy wireless channel, ...
Ashok K. Agrawala, A. Udaya Shankar