Sciweavers

1532 search results - page 53 / 307
» Querying Distributed Data in a Super-Peer Based Architecture
Sort
View
DAC
1999
ACM
15 years 10 months ago
A Framework for Collaborative and Distributed Web-Based Design
The increasing complexity and geographical separation of design data, tools and teams has created a need for a collaborative and distributed design environment. In this paper we p...
Gangadhar Konduri, Anantha Chandrakasan
ICDCN
2009
Springer
15 years 10 months ago
Optimizing Multi-hop Queries in ZigBee Based Multi-sink Sensor Networks
Wireless sensor networks with multiple users collecting data directly from the sensors have many potential applications. An important problem is to allocate for each user a query r...
Bing Han, Gwendal Simon
DEXA
2005
Springer
80views Database» more  DEXA 2005»
15 years 11 months ago
Optimizing I/O Costs of Multi-dimensional Queries Using Bitmap Indices
Bitmap indices are efficient data structures for processing complex, multi-dimensional queries in data warehouse applications and scientific data analysis. For high-cardinality at...
Doron Rotem, Kurt Stockinger, Kesheng Wu
ISTA
2004
15 years 7 months ago
A Conceptual Modeling Technique Based on Semantically Complete Model, Its Applications
: The article proposes a conceptual modeling technique based on Semantically Complete model, the main property of which is that relations carry complete information about interconn...
Vladimir Ovchinnikov
SIGMOD
1998
ACM
121views Database» more  SIGMOD 1998»
15 years 10 months ago
New Sampling-Based Summary Statistics for Improving Approximate Query Answers
In large data recording and warehousing environments, it is often advantageous to provide fast, approximate answers to queries, whenever possible. Before DBMSs providing highly-ac...
Phillip B. Gibbons, Yossi Matias