ADBIS
2000
Springer
13 years 9 months ago
2000
Springer
We consider queries which originate from a mobile unit and whose result depends on the location of the user who initiates the query. Example of such a query is How many people are ...
ADBIS
2000
Springer
13 years 9 months ago
2000
Springer
Abstract. One of the fundamental problems in relational database management is the handling of the join operation. Two of the problems are: 1) finding a page access sequence which...
ADBIS
2000
Springer
13 years 9 months ago
2000
Springer
When dealing with large quantities of clauses, the use of persistent knowledge is inevitable, and indexing methods are essential to answer queries efficiently. We introduce PerKMan...
ADBIS
2000
Springer
13 years 9 months ago
2000
Springer
The paper provides brief analysis of recent research activities in database area in Russia. Activities of the Moscow ACM SIGMOD Chapter are characterized, emphasizing organization ...
ADBIS
2000
Springer
13 years 9 months ago
2000
Springer
Queries involving aggregation are typical in a number of database research areas, such as data warehousing, global information systems and mobile computing. One of the main ideas ...