The Vague Query System (VQS) due to Kiing and Palkoska is an add-on to relational databases which is able to suggest alternative query results in case that an exact query fails. T...
Current approaches for answering queries with imprecise constraints require users to provide distance metrics and importance measures for attributes of interest. In this paper we ...
This paper introduces an efficient algorithm for Producing Early Results in Multi-join query plans (PermJoin, for short). While most previous research focuses only on the
case of ...
Justin J. Levandoski, Mohamed E. Khalefa, Mohamed ...
A major hardness of processing searches issued in the form of keywords on structured data is the ambiguity problem. A set of keywords itself is not a complete piece of information...
In Deep Web data integration, some Web database interfaces express exclusive predicates of the form Qe = Pi(Pi ∈ P1, P2, . . . , Pm), which permits only one predicate to be selec...