Sciweavers

ADBIS
1997
Springer
149views Database» more  ADBIS 1997»
13 years 12 months ago
Concurrency Control Protocol for Nested Transactions in Real-Time Databases
In this paper we consider real-time concurrency control for the nested transaction model. We analyze problems that have pure optimistic and pessimistic approaches. As the solution...
Ekaterina Pavlova, Igor Nekrestyanov
ADBIS
1997
Springer
120views Database» more  ADBIS 1997»
13 years 12 months ago
Semistructured Data: The Tsimmis Experience
In this paper we discuss the management of semi-structured data, i.e., data that has irregular or dynamically changing structure. We describe components of the Stanford Tsimmis Pr...
Joachim Hammer, Jason McHugh, Hector Garcia-Molina
ADBIS
1997
Springer
91views Database» more  ADBIS 1997»
13 years 12 months ago
Evolving Persistent Applications on Commercial Platforms
Graham N. C. Kirby, Ronald Morrison, David S. Munr...
ADBIS
1997
Springer
103views Database» more  ADBIS 1997»
13 years 12 months ago
Admissible Record-Oriented Evaluation Plans for Declarative Updates
Efficient evaluation strategies for declarative updates have rarely been investigated. Due to possible dependencies between the resulting database state and the order in which re...
Gisela Fischer, Karl Aberer
ADBIS
1997
Springer
131views Database» more  ADBIS 1997»
13 years 12 months ago
Centralized versus Distributed Index Schemes in OODBMS - A Performance Analysis
Recent work on client-server data-shipping OODBs has demonstratedthe usefulnessof localdatacachingat clientsites. In addition to data caching, index caching can provide substantia...
Julie Basu, Arthur M. Keller, Meikel Pöss
ADBIS
1997
Springer
109views Database» more  ADBIS 1997»
13 years 12 months ago
A Graphical Yet Formalized Framework for Specifying View Systems
A graphical formalized language is proposed for specifying systems of views over database schemas. The language is based on the notion of arrow (mapping) between data schemas and ...
Zinovy Diskin, Boris Cadish
ADBIS
1997
Springer
146views Database» more  ADBIS 1997»
13 years 12 months ago
S-Index: a Hybrid Structure for Text Retrieval
Today, two classes of indexing methods enjoying wide applicability are the Inverted Index and the Superimposed Coding based Signature File (SC-SF). The former is most efficient i...
Dimitrios Dervos, P. Linardis, Yannis Manolopoulos
SIGMOD
1997
ACM
172views Database» more  SIGMOD 1997»
13 years 12 months ago
An Array-Based Algorithm for Simultaneous Multidimensional Aggregates
Computing multiple related group-bys and aggregates is one of the core operations of On-Line Analytical Processing (OLAP) applications. Recently, Gray et al. [GBLP95] proposed the...
Yihong Zhao, Prasad Deshpande, Jeffrey F. Naughton
SIGMOD
1997
ACM
125views Database» more  SIGMOD 1997»
13 years 12 months ago
The Distributed Information Search Component (Disco) and the World Wide Web
The Distributed Information Search COmponent (Disco) is a prototype heterogeneous distributed database that accesses underlying data sources. The Disco prototype currently focuses...
Anthony Tomasic, Rémy Amouroux, Philippe Bo...
SIGMOD
1997
ACM
134views Database» more  SIGMOD 1997»
13 years 12 months ago
Similarity-Based Queries for Time Series Data
We study similarity queries for time series data where similarity is defined in terms of a set of linear transformations on the Fourier series representation of a sequence. We ha...
Davood Rafiei, Alberto O. Mendelzon