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» The Magic of Duplicates and Aggregates
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PVLDB
2010
126views more  PVLDB 2010»
13 years 4 months ago
Set Similarity Join on Probabilistic Data
Set similarity join has played an important role in many real-world applications such as data cleaning, near duplication detection, data integration, and so on. In these applicati...
Xiang Lian, Lei Chen 0002
SIGMOD
2007
ACM
145views Database» more  SIGMOD 2007»
14 years 6 months ago
Why off-the-shelf RDBMSs are better at XPath than you might expect
To compensate for the inherent impedance mismatch between the relational data model (tables of tuples) and XML (ordered, unranked trees), tree join algorithms have become the prev...
Torsten Grust, Jan Rittinger, Jens Teubner
EDBT
2006
ACM
202views Database» more  EDBT 2006»
14 years 6 months ago
Bridging Physical and Virtual Worlds: Complex Event Processing for RFID Data Streams
Advances of sensor and RFID technology provide significant new power for humans to sense, understand and manage the world. RFID provides fast data collection with precise identific...
Fusheng Wang, Shaorong Liu, Peiya Liu, Yijian Bai
CCGRID
2003
IEEE
13 years 11 months ago
Improved Read Performance in a Cost-Effective, Fault-Tolerant Parallel Virtual File System (CEFT-PVFS)
Due to the ever-widening performance gap between processors and disks, I/O operations tend to become the major performance bottleneck of data-intensive applications on modern clus...
Yifeng Zhu, Hong Jiang, Xiao Qin, Dan Feng, David ...
VLDB
1997
ACM
126views Database» more  VLDB 1997»
13 years 10 months ago
Dynamic Memory Adjustment for External Mergesort
Sorting is a memory intensive operation whose performance is greatly affected by the amount of memory available as work space. When the input size is unknown or available memory s...
Weiye Zhang, Per-Åke Larson