Sciweavers

2944 search results - page 85 / 589
» On Indexed Data Broadcast
Sort
View
ICDE
2004
IEEE
90views Database» more  ICDE 2004»
16 years 7 months ago
Multiresolution Indexing of XML for Frequent Queries
XML and other types of semi-structured data are typically represented by a labeled directed graph. To speed up path expression queries over the graph, a variety of structural inde...
Hao He, Jun Yang 0001
CSO
2009
IEEE
16 years 28 days ago
Automatic Extraction of Spoken Word in Broadcast Media Language
Compared with the written word, few experts pay more attention to the spoken word because of the difficulty of obtaining spoken corpora. In order to develop and improve the spoken...
Yuqiang Zhang, Yu Zou, Wei He, Min Hou, Yonglin Te...
PIMRC
2008
IEEE
16 years 16 days ago
Code construction for the selective TDMA cooperative broadcast channel
—In this paper, the selective time division multiple access (S-TDMA) strategy is studied in the downlink channel. This strategy consists in transmitting data to the user with the...
Lina Mroueh, Mohamed Oussama Damen, Stéphan...
SSDBM
2008
IEEE
115views Database» more  SSDBM 2008»
16 years 16 days ago
Breaking the Curse of Cardinality on Bitmap Indexes
Bitmap indexes are known to be efficient for ad-hoc range queries that are common in data warehousing and scientific applications. However, they suffer from the curse of cardina...
Kesheng Wu, Kurt Stockinger, Arie Shoshani
ICDE
2005
IEEE
122views Database» more  ICDE 2005»
15 years 11 months ago
Autonomous Index Optimization in XML Databases
Abstract— Defining suitable indexes is a major task when optimizing a database. Usually, a human database administrator defines a set of indexes in the design phase of the data...
Beda Christoph Hammerschmidt, Martin Kempa, Volker...