Results 241 to 250 of about 802,028 (300)

Impact of Technological Innovation, Environmental Policy, and Policy Inclusion on Renewable Energy Adoption in Sub‐Sahara Africa

open access: yesThunderbird International Business Review, EarlyView.
ABSTRACT This study investigates the factors influencing renewable energy consumption and renewable electricity in Sub‐Sahara Africa (SSA) using the Lewbel 2SLS approach, panel quantile regression and Driscoll and Kraay estimator. It focuses on a panel dataset covering 41 countries from 1998 to 2020.
Emmanuel K. Manu, Simplice A. Asongu
wiley   +1 more source

Graph identification of proteins in tomograms (GRIP-Tomo) 2.0: Topologically aware classification for proteins. [PDF]

open access: yesProtein Sci
Li C   +9 more
europepmc   +1 more source

A temporal graph grammar formalism

Journal of Visual Languages and Computing, 2018
Abstract As a useful formalism tool, graph grammars provide a rigorous but intuitive way to specify visual languages. This paper, based on the existing Edge-based Graph Grammar (EGG), proposes a new context-sensitive graph grammar formalism called the Temporal Edge-based Graph Grammar, or TEGG.
Yang Zou, Xiaoqin Zeng
exaly   +3 more sources

Graph compression using graph grammars. [PDF]

open access: yes, 2018
This thesis presents work done on compressed graph representations via hyperedge replacement grammars. It comprises two main parts. Firstly the RePair compression scheme, known for strings and trees, is generalized to graphs using graph grammars. Given an object, the scheme produces a small context-free grammar generating the object (called a “straight-
Peternek, Fabian Hans Adolf
core   +6 more sources

Grammars on partial graphs

Acta Informatica, 1976
The concept of Chomsky-grammars is generalized to graph-grammars; the "gluing" of graphs is defined by a pushout-construction. In the present paper, we allow the left-hand and right-hand side of a production to be partial graphs, i.e. graphs in which there may be edges without a source or target node.
Hans Jürgen Schneider, Hartmut Ehrig
openaire   +2 more sources

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