It is well-known that knowledgebases may contain inconsistencies. We provide a measure to quantify the inconsistency of a knowledgebase, thereby allowing for the comparison of the...
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
: Database schemas are used to describe the logical design of a database. Diverse groups of users have different perspectives on the schema which leads to different local schemas. ...
To discover knowledge or retrieve information from a relational database, a user often needs to find objects related to certain source objects. There are two main challenges in b...
Increasingly, for extensibility and performance, specialpurpose application code is being integrated with database system code. Such application code has direct access to database...
Philip Bohannon, Rajeev Rastogi, S. Seshadri, Abra...