41 search results - page 1 / 9 » Dictionary: A New Access Method for Query Processing in Obje... |
TKDE
1998
13 years 4 months ago
1998
—We present a new access method, called the path dictionary index (PDI) method, for supporting nested queries on object-oriented databases. PDI supports object traversal and asso...
EWDW
1994
13 years 8 months ago
1994
For object-oriented databases we propose a new technique for optimizing queries containing method invocations. This technique is based on the definition of inverse methods and que...
DOOD
1995
Springer
13 years 8 months ago
1995
Springer
Abstract. A simple model for method-based authorization is defined and an algorithm is presented for testing in compile-time whether a given database schema violates authorization...
VLDB
1995
ACM
13 years 8 months ago
1995
ACM
Query processing is one of the most, critical issues in Object-Oriented DBMSs. Extensible opt,imizers with efficient, search strategies require a cost model to select the most eff...
SIGMOD
2009
ACM
14 years 4 months ago
2009
ACM
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...