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ECIS
2003
15 years 8 months ago
Shaping CIO's competencies and activities to improve company performance: an empirical study
The importance of and the fast changes in the CIO's role in organizations are widely recognized. So is the need for CIOs to acquire the appropriate set of knowledge and manag...
Marco Tagliavini, Jennifer Moro, Aurelio Ravarini,...
ETM
2010
257views Economy» more  ETM 2010»
15 years 7 months ago
Implementation and Performance Evaluation of the re-ECN Protocol
Re-inserted ECN (re-ECN) is a proposed TCP/IP extension that informs the routers on a path about the estimated level of congestion. The re-ECN protocol extends the Explicit Congest...
Mirja Kühlewind, Michael Scharf
SIGIR
2010
ACM
15 years 6 months ago
Has portfolio theory got any principles?
Recently, Portfolio Theory (PT) has been proposed for Information Retrieval. However, under non-trivial conditions PT violates the original Probability Ranking Principle (PRP). In...
Guido Zuccon, Leif Azzopardi, Keith van Rijsbergen
ADHOC
2010
163views more  ADHOC 2010»
15 years 6 months ago
A probabilistic method for cooperative hierarchical aggregation of data in VANETs
We propose an algorithm for the hierarchical aggregation of observations in dissemination-based, distributed traffic information systems. Instead of transmitting observed paramete...
Christian Lochert, Björn Scheuermann, Martin ...
CORR
2006
Springer
79views Education» more  CORR 2006»
15 years 6 months ago
Source coding and channel requirements for unstable processes
Our understanding of information in systems has been based on the foundation of memoryless processes. Extensions to stable Markov and auto-regressive processes are classical. Berg...
Anant Sahai, Sanjoy K. Mitter