Tag Archives: Knowledge representation

Tubes Layout

Sankey Diagramm visualization was primiraly developed in javascript  by Mike Bostock (with d3.js library).  After some slight modifications (thanks to Tam Kien for his patience), the library allows to browse phylogenetic dynamics online. The layout is pre-computed so that streams … Continue reading

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The emergence and development of gene expression profiling

Title: The emergence and development of gene expression profiling: a key component of the 3B (bench, bedside, bytes) in translational research. This paper (which can be downloaded in french)  examines the emergence and development of one of the key components of genomics, … Continue reading

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Food Security Frames

Pulseweb project is a joint project of CorText along with Global Pulse (UNO initiative) and ISC-PIF. We analyzed every articles related to food security issues in the French media ( 22.000 articles from the national and local press extracted from the Factiva database). … Continue reading

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Tools and Methods

Understanding the dynamics of knowledge communities from their digital traces requires specifically designed tools to turn those raw textual traces into actual heterogeneous knowledge networks. Especially this first-level processing becomes quite a challenge when it comes to transform free text … Continue reading

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Authors and Concepts mapping

Given  semantic reconstructions of  scientific activity one can be tempted to “project” agents publications or even agents dynamics on conceptual maps. A proximity measure between groups of terms provides a simple way to represent any institution (an agent, a lab, … Continue reading

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Multi-level Science mapping

Given a proximity metric, it is possible to map the scientific landscape made by the aggregation of publications over time, as a multi-level object, featuring at the micro-level: a lexical network made by terms or key phrases linked according to … Continue reading

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Semantic Landscapes

Knowledge representation from statistical analysis of large textual corpora has first been a matter of inquiry in the 60′s with first scientometric studies. New methods from complex network analysis and the growing availability of numeric data have put new life … Continue reading

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