Results 41 to 50 of about 36,842 (283)

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

On Context Shifters and Compositionality in Natural Languages [PDF]

open access: yes, 2018
My modest aim in this paper is to prove certain relations between some type of hyper-intensional operators, namely context shifting operators, and compositionality in natural languages. Various authors (e.g.
Briciu, Adrian
core  

From compositional to systematic semantics

open access: yes, 1994
We prove a theorem stating that any semantics can be encoded as a compositional semantics, which means that, essentially, the standard definition of compositionality is formally vacuous.
Zadrozny, Wlodek
core   +3 more sources

The Mechanism of Additive Composition [PDF]

open access: yes, 2017
Additive composition (Foltz et al, 1998; Landauer and Dumais, 1997; Mitchell and Lapata, 2010) is a widely used method for computing meanings of phrases, which takes the average of vector representations of the constituent words.
Inui, Kentaro   +2 more
core   +2 more sources

Compositionality as Creative Identity Building

open access: yesMusica Theorica, 2020
In this paper, we examine the concept of Compositionality, proposed by Brazilian composer and scholar Paulo Costa Lima, from the interpenetration of five vectors: inseparability, creation of worlds, criticality, reciprocity and compositional processes ...
Liduíno Pitombeira
doaj   +1 more source

Context Breeds False Memories for Indeterminate Sentences

open access: yesFrontiers in Psychology, 2021
What are the roles of semantic and pragmatic processes in the interpretation of sentences in context? And how do we attain such interpretations when sentences are deemed indeterminate?
Levi Riven, Roberto G. de Almeida
doaj   +1 more source

Mapping the evolution of mitochondrial complex I through structural variation

open access: yesFEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin   +2 more
wiley   +1 more source

Comparative analysis of idiom selection and sequencing 5 in Estonian basic school EFL coursebooks

open access: yesEesti Rakenduslingvistika Ühingu Aastaraamat, 2017
The article investigates the selection and sequencing of the idioms encountered in two locally-produced and international coursebook series currently employed in Estonian basic schools.
Rita Anita Forssten   +2 more
doaj   +1 more source

Can Complexity be Planned? [PDF]

open access: yesInterdisciplinary Description of Complex Systems, 2015
The long accepted complexity invariance of human languages has become controversial within the last decade. In investigations of the problem, both creole and planned languages have often been neglected. After a presentation of the scope of the invariance
Ilona Koutny
doaj   +1 more source

Compositional RL Agents That Follow Language Commands in Temporal Logic

open access: yesFrontiers in Robotics and AI, 2021
We demonstrate how a reinforcement learning agent can use compositional recurrent neural networks to learn to carry out commands specified in linear temporal logic (LTL).
Yen-Ling Kuo   +5 more
doaj   +1 more source

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