238 search results - page 39 / 48 » Probabilistic Data Modeling and Querying for Location-Based ... |
KDD
2010
ACM
13 years 11 months ago
2010
ACM
Periodicity is a frequently happening phenomenon for moving objects. Finding periodic behaviors is essential to understanding object movements. However, periodic behaviors could b...
IDEAS
2000
IEEE
13 years 12 months ago
2000
IEEE
Most operations of the relational algebra or SQL - like projection with duplicate elimination, join, ordering, group by and aggregations - are efficiently processed using a sorted...
SIGIR
2010
ACM
13 years 5 months ago
2010
ACM
Keyword queries over structured databases are notoriously ambiguous. No single interpretation of a keyword query can satisfy all users, and multiple interpretations may yield over...
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
Real-world data -- especially when generated by distributed measurement infrastructures such as sensor networks -- tends to be incomplete, imprecise, and erroneous, making it impo...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Schema matching identifies elements of two given schemas that correspond to each other. Although there are many algorithms for schema matching, little has been written about build...