641 search results - page 39 / 129 » Simplifying schema mappings |
DATESO
2009
13 years 5 months ago
2009
Abstract. The searching for the shortest path in public transport networks can take more time than is acceptable for given situation. We have therefore searched for methods that sp...
PODS
2012
ACM
11 years 10 months ago
2012
ACM
Over the past several decades, the study of conjunctive queries has occupied a central place in the theory and practice of database systems. In recent years, conjunctive queries h...
JIS
2007
13 years 7 months ago
2007
Digital folklore collections are valuable sources for studying cultural and oral tradition of a country. The main difficulty in managing such collections is material heterogeneity...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
A multi-tenant database system for Software as a Service (SaaS) should offer schemas that are flexible in that they can be extended for different versions of the application and d...
HOTSWUP
2009
ACM
14 years 8 days ago
2009
ACM
The complexity, cost, and down-time currently created by the database schema evolution process is the source of incessant problems in the life of information systems and a major s...