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» Query Processing in the ROL system
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EDBT
2009
ACM
137views Database» more  EDBT 2009»
14 years 7 months ago
Flexible and scalable storage management for data-intensive stream processing
Data Stream Management Systems (DSMS) operate under strict performance requirements. Key to meeting such requirements is to efficiently handle time-critical tasks such as managing...
Irina Botan, Gustavo Alonso, Peter M. Fischer, Don...
SIGMOD
2006
ACM
232views Database» more  SIGMOD 2006»
15 years 10 months ago
High-performance complex event processing over streams
In this paper, we present the design, implementation, and evaluation of a system that executes complex event queries over real-time streams of RFID readings encoded as events. The...
Eugene Wu 0002, Yanlei Diao, Shariq Rizvi
SIGMOD
2005
ACM
133views Database» more  SIGMOD 2005»
15 years 3 months ago
A Nested Relational Approach to Processing SQL Subqueries
One of the most powerful features of SQL is the use of nested queries. Most research work on the optimization of nested queries focuses on aggregate subqueries. However, the solut...
Bin Cao, Antonio Badia
EMNLP
2007
14 years 11 months ago
Learning Noun Phrase Query Segmentation
Query segmentation is the process of taking a user’s search-engine query and dividing the tokens into individual phrases or semantic units. Identification of these query segmen...
Shane Bergsma, Qin Iris Wang
DEXA
2008
Springer
187views Database» more  DEXA 2008»
14 years 11 months ago
Description Logic to Model a Domain Specific Information Retrieval System
In professional environments which are characterized by a domain (Medicine, Law, etc.), information retrieval systems must be able to process precise queries, mostly because of the...
Saïd Radhouani, Gilles Falquet, Jean-Pierre C...