Sciweavers

1248 search results - page 104 / 250
» Querying and Updating the File
Sort
View
ATMOS
2007
15 years 7 months ago
Maintenance of Multi-level Overlay Graphs for Timetable Queries
In railways systems the timetable is typically represented as a weighted digraph on which itinerary queries are answered by shortest path algorithms, usually running Dijkstra’s a...
Francesco Bruera, Serafino Cicerone, Gianlorenzo D...
SEBD
2003
144views Database» more  SEBD 2003»
15 years 7 months ago
Approximate Query Answering on Sensor Network Data Streams
Abstract. Sensor networks represent a non traditional source of information, as readings generated by sensors flow continuously, leading to an infinite stream of data. Traditiona...
Alfredo Cuzzocrea, Filippo Furfaro, Elio Masciari,...
AAAI
2008
15 years 7 months ago
Querying Sequential and Concurrent Horn Transaction Logic Programs Using Tabling Techniques
In this poster we describe the tabling techniques for Sequential and Concurrent Horn Transaction Logic. Horn Transaction Logic is an extension of classical logic programming with ...
Paul Fodor
CHI
1993
ACM
15 years 10 months ago
Sifting through hierarchical information
Modern computer users must often sift and manage vast amounts of hierarchically structured information. However, conventional interface tools have not kept pace with the informati...
Doug Schaffer, Saul Greenberg
VLDB
1991
ACM
141views Database» more  VLDB 1991»
15 years 9 months ago
Efficiency of Nested Relational Document Database Systems
Systems designed for efficient retrieval of conventional data can be very inefficient at retrieving documents. Documents have more complex structure than conventional data, and th...
Justin Zobel, James A. Thom, Ron Sacks-Davis