Sciweavers

4273 search results - page 238 / 855
» Improving proactive information systems
Sort
View
CISS
2008
IEEE
16 years 1 months ago
Adaptive codebook for beamforming in limited feedback MIMO systems
—We propose a new scheme for limited feedback in MIMO systems. We consider transmit beamforming and receiver maximal ratio combining as a base for our work, and propose a novel b...
Kiarash Amiri, Davood Shamsi, Behnaam Aazhang, Jos...
VL
2007
IEEE
134views Visual Languages» more  VL 2007»
16 years 28 days ago
A Comprehensive Evaluation of Workspace Awareness in Software Configuration Management Systems
Workspace awareness has emerged as a new coordination paradigm in software configuration management systems, enabling the early detection of potential conflicts by providing devel...
Anita Sarma, André van der Hoek, David F. R...
VTC
2007
IEEE
112views Communications» more  VTC 2007»
16 years 28 days ago
"The Medium is The Message": Secure Communication via Waveform Coding in MIMO Systems
— In this paper, we look at multiple antenna systems and code information on the communication medium itself to improve the link security. In the case of single data stream trans...
Xin Zhou, Persefoni Kyritsi, Patrick C. F. Eggers,...
EDOC
2003
IEEE
15 years 12 months ago
An Efficient, Scalable Content-Based Messaging System
Large-scale information processing environments must rapidly search through massive streams of raw data to locate useful information. These data streams contain textual and numeri...
Ian Gorton, Justin Almquist, Nick Cramer, Jereme H...
LREC
2008
131views Education» more  LREC 2008»
15 years 8 months ago
System Evaluation on a Named Entity Corpus from Clinical Notes
This paper presents the evaluation of the dictionary look-up component of Mayo Clinic's Information Extraction system. The component was tested on a corpus of 160 free-text c...
Karin Schuler, Vinod Kaggal, James J. Masanz, Phil...