Results 111 to 120 of about 13,992,929 (227)

Semantics-driven event clustering in Twitter feeds [PDF]

open access: yes, 2015
Detecting events using social media such as Twitter has many useful applications in real-life situations. Many algorithms which all use different information sources - either textual, temporal, geographic or community features - have been developed to ...
De Boom, Cedric   +2 more
core  

A Multi Antenna Receiver for Galileo SoL Applications [PDF]

open access: yes, 2008
One of the main features of the Galileo Satellite Navigation System is integrity. To ensure a reliable and robust navigation for Safety of Life applications, like CAT III aircraft landings, new receiver technologies are indispensable.
Cuntz, Manuel   +5 more
core  

Way to the detection of Mars life.

open access: yesBiological Sciences in Space, 1996
In this review, I would like to introduce how we can detect the possible life on Mars. Even though the quantitative estimation of the possibility of biogenesis on Mars is difficult, Dr. McKay and his colleagues work has thrown a tiny light for this possibility. Considering Mars environmental conditions, the possible life is microorganisms.
openaire   +3 more sources

Kernel Ellipsoidal Trimming

open access: yes, 2005
Ellipsoid estimation is an issue of primary importance in many practical areas such as control, system identification, visual/audio tracking, experimental design, data mining, robust statistics and novelty/outlier detection.
Dolia, A.N.   +3 more
core   +1 more source

Hydrogen detection study [PDF]

open access: yes
The effectiveness was assessed of a hydrogen (H2) detection concept for regenerative environmental control life support systems (EC/LSS). The concept evaluated was that utilized for the electrochemical depolarized concentrator (EDC) design, constructed ...
Powell, J. D., Shumar, J. W.
core   +1 more source

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