Results 241 to 250 of about 52,051 (301)
Advanced Intelligent Systems, EarlyView.Single‐cell Spatial Transcriptomics Analysis and Denoising Engine is introduced as a unified deep learning framework that jointly performs denoising, clustering, and gene prioritization in spatial transcriptomics. By integrating linear and nonlinear representations within a dual‐channel architecture, it improves robustness and accuracy, uncovers ...
Yaxuan Cui +11 more
wiley +1 more source
Vernacular Futurism: How Persian Language Users Imagine AI
AI &Innovation, EarlyView.ABSTRACT Public discourse about artificial intelligence increasingly unfolds through compressed forecasts, moral warnings, and everyday speculation circulating at platform speed. This study examines how Persian language users on X construct and contest AI futures, analyzing a corpus of 4741 posts collected between January 2023 and December 2025, with ...
Arthur Asa Berger, Ehsan Shahghasemi
wiley +1 more source
Lost in aggregation? On the importance of local food price data for food poverty estimates
American Journal of Agricultural Economics, EarlyView.Abstract This paper explores within‐country variations in food price dynamics and food poverty estimates by employing local market price data and national consumer price index (CPI) data. Our results show that national CPI data may be useful for approximating national trends but they fail to detect and identify spatial variations in local trends, which
Stephan Dietrich +4 more
wiley +1 more source
High‐elevation endemic plants predicted to lose habitat from changing climate in Washington State
American Journal of Botany, EarlyView.Abstract Premise High‐elevation plants face unique challenges from potential climate change impacts that will likely require upslope migration into increasingly smaller suitable habitat. This situation is particularly acute for endemic species that by definition occupy small geographic ranges.
Nicholas L. Gjording +4 more
wiley +1 more source
American Journal of Botany, EarlyView.Abstract Premise Desert plant assemblages in southern California provide an opportunity to link patterns of community structure with climate‐driven vulnerability in a rapidly changing environment. California sustains an exceptionally diverse flora of approximately 4300 plant species, with 31% identified as endemic.
Hector Zumbado‐Ulate +4 more
wiley +1 more source
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Distance and cosine measures of niche overlap
Social Networks, 2001Abstract Niche overlap is increasingly used as a way of measuring the intensity of interorganizational competition. This paper examines and compares various distance and cosine measures of niche overlap. The analysis in this paper shows that Euclidean distance applied to the raw data as well as to transformed data is not an appropriate measure of ...
Min-Woong Sohn
exaly +2 more sources
Niche Overlap in Sympatric Populations of Fox and Gray Squirrels [PDF]
The Journal of Wildlife Management, 1998 Resource overlap between fox squirrels (Sciurus niger) and gray squirrels (S. carolinensis) has been reported, but quantitative measures of niche overlap in sympatric populations are unavailable. We examined niche breadth and niche overlap in habitat and nest characteristics among sympatric fox and gray squirrels in central Georgia during 1989-90.
Edwards, J., Heckel, D., Guynn, D.
openaire +3 more sources
Temporal niche overlap among insectivorous small mammals [PDF]
Integrative Zoology, 2011 AbstractBeing active in the same environment at different times exposes animals to the effects of very different environmental factors, both biotic and abiotic. In the present study, we used live traps equipped with timing devices to evaluate the potential role of biotic factors (competition and food abundance) on overall overlap in the temporal niche ...
Emerson M, Vieira, Gabriela, Paise
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Market positioning: the shifting effects of niche overlap [PDF]
Industrial and Corporate Change, 2012 Organizational ecology models of market dynamics emphasize the competition-inducing role of inter-organizational niche overlap—targeting similar market niches increases competitive pressure and thus reduces organizations’ fitness. Recent studies, however, have suggested that moderate niche overlap may positively influence organizational viability by ...
Bruggeman, J. +4 more
core +9 more sources
A note on structural holes theory and niche overlap [PDF]
Social Networks, 2003 Diffuse competition due to niche overlap between actors without (direct) ties with each other, constrains their structural autonomy. This is not dealt with in Burt’s mathematical model of his well-known structural holes theory. We fix his model by introducing a network measure of niche overlap.
Bruggeman, J.P. +3 more
openaire +5 more sources