397 search results - page 38 / 80 » Efficient vision-based navigation |
ALGORITHMICA
2010
13 years 7 months ago
2010
We consider a data-structural problem motivated by version control of a hierarchical directory structure in a system like Subversion. The model is that directories and files can b...
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
Motivated by our work with political scientists who need to manually analyze large Web archives of news sites, we present SpotSigs, a new algorithm for extracting and matching sig...
MOBISYS
2008
ACM
14 years 7 months ago
2008
ACM
Using 802.11 concurrently for communications and positioning is problematic, especially if location-based services (e.g., indoor navigation) are concurrently executed with real-ti...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Enabling keyword queries over relational databases (KQDB) benefits a large population of users who have difficulty in understanding the database schema or using SQLs. However, sin...
ICRA
2000
IEEE
13 years 12 months ago
2000
IEEE
Autonomous planetary rovers operating in vast unknown environments must operate efficiently because of size, power and computing limitations. Recently, we have developed a rover c...