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GI
1998
Springer
14 years 2 months ago
An Efficient Strategy for Tiling Multidimensional OLAP Data Cubes
Computing aggregates over selected categories of multidimensional discrete data (MDD) cubes is the core operation of many on-line analytical processing (OLAP) systems. In order to...
Paolo Marques, Paula Furtado, Peter Baumann
TAGT
1998
Springer
243views Graph Theory» more  TAGT 1998»
14 years 2 months ago
Double-Pullback Graph Transitions: A Rule-Based Framework with Incomplete Information
Reactive systems perform their tasks through interaction with their users or with other systems (as parts of a bigger system). An essential requirement for modeling such systems is...
Hartmut Ehrig, Reiko Heckel, Mercè Llabr&ea...
MOBICOM
1997
ACM
14 years 2 months ago
Reliable Broadcast in Mobile Multihop Packet Networks
We describe a reliable broadcast protocol for mobile multihop packet radio networks. The reliable broadcast service ensures that all the hosts in a group deliver the same set of m...
Elena Pagani, Gian Paolo Rossi
SIGCOMM
1997
ACM
14 years 2 months ago
A Flow-Based Approach to Datagram Security
Datagram services provide a simple, exible, robust, and communication abstraction; their usefulness has been well demonstrated by the success of IP, UDP, and RPC. Yet, the overwh...
Suvo Mittra, Thomas Y. C. Woo
ISMIS
1997
Springer
14 years 2 months ago
Knowledge-Based Image Retrieval with Spatial and Temporal Constructs
e about image features can be expressed as a hierarchical structure called a Type Abstraction Hierarchy (TAH). TAHs can be generated automatically by clustering algorithms based on...
Wesley W. Chu, Alfonso F. Cardenas, Ricky K. Taira