535 search results - page 31 / 107 » Insertion and Expansion Operations for |
VLDB
1990
ACM
15 years 3 months ago
1990
ACM
In this paper, we describe a new indexing technique, the time indez, for improving the performance of certain classes of temporal queries. The time index can be used to retrieve v...
ACTA
2008
14 years 12 months ago
2008
Abstract. We introduce an adaptation of run-relaxed heaps which provides efficient heap operations with respect to the number of element comparisons performed. Our data structure g...
INFSOF
2002
14 years 11 months ago
2002
In this paper, we present methods of translating transactions from object-oriented database(OODB) to relational database(RDB). The process involves schema mapping in data definiti...
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SIGMOD
2004
ACM
15 years 12 months ago
2004
ACM
Mining informative patterns from very large, dynamically changing databases poses numerous interesting challenges. Data summarizations (e.g., data bubbles) have been proposed to c...
TCS
1998
14 years 11 months ago
1998
In this paper we propose a uniform approach to deal with incremental problems on digraphs and with decremental problems on dags generalizing a technique used by La Poutr´e and va...