121 search results - page 1 / 25 » Semantic optimization techniques for preference queries |
IS
2007
13 years 5 months ago
2007
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). Such queries are pa...
CDB
2004
Springer
13 years 10 months ago
2004
Springer
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). We present here a nu...
IJCAI
2003
13 years 6 months ago
2003
Preference elicitation is a serious bottleneck in many decision support applications and agent specification tasks. CP-nets were designed to make the preference elicitation proces...
ICDE
2007
IEEE
13 years 11 months ago
2007
IEEE
To better serve users’ information needs without requiring comprehensive queries from users, a simple yet effective technique is to explore the preferences of users. Since these...
IJCAI
2003
13 years 6 months ago
2003
Many real life optimization problems contain both hard and soft constraints, as well as qualitative conditional preferences. However, there is no single formalism to specify all t...