El modelo probabilístico: características y modelos derivados
, 2009 A review of the art of the family of probabilistic model of information retrieval is presented. Based on its basic priciples, difefferent specific models are analysed: the BIR model –the most basic one– the classic BM25 and the DFR models, one of the last developed.
openaire +1 more source
Three closely linked X‐chromosomal genes potentially control sex determination in Cannabis sativa
New Phytologist, EarlyView.Summary Sex determination mechanisms in dioecious plants remain poorly understood yet offer an excellent model system to study genetic changes underlying morphological evolution. We investigated the genetic basis of sex determination in Cannabis sativa, combining quantitative trait locus mapping in a segregating population, comparative transcriptomics ...
Matteo Toscani +8 more
wiley +1 more source
A Dynamic Model of Final Service Competition in fixed Electronic Communications under a Capacity Interconnection Regime [PDF]
Recientemente el regulador español ha implementado un nuevo modelo de interconexión en redes fijas de telecomunicaciones basado en la compra de capacidad que podrá ser utilizado en combinación con el modelo habitual de interconexión por tiempo.
José G. Aguilar Barceló
core
Governing the Local Digital Transformation: A European Comparative Perspective
Public Administration, EarlyView.ABSTRACT This study compares governance structures, policy formulation and implementation of administrative digitalization at the local level in three countries with different administrative traditions: France, Germany and the United Kingdom.
Sabine Kuhlmann +2 more
wiley +1 more source
On the Role of Relative Prices and Capital Flows in Balance-of-Payments Constrained Growth: the Experiences of Portugal and Spain in the Euro Area [PDF]
Broadly speaking, the balance-of-payments constraint hypothesis as developed by Thirlwall has been empirically supported. Yet, it shows some shortcomings highlighted in the literature. In our opinion, two of them must be analysed.
Carlos Garcimartín +2 more
core
Narrative power in the narrative policy framework
Policy Studies Journal, EarlyView.Abstract The Narrative Policy Framework lacks clear and empirical explanations of power. Yet, the study of narratives is inherently the study of power in shaping policy outputs and decisions. We develop a conceptual model positing that expressions of power (power to, with, and over) may be discovered in narrative constructs (e.g., narrative structure ...
Elizabeth A. Shanahan +8 more
wiley +1 more source
[Impact of the Diagnostic and Therapeutic Assignment Model (MADiT) on the quality of care in institutionalized older adults: A quasi-experimental study]. [PDF]
Aten PrimariaAlvarado Escobar C +5 more
europepmc +1 more source
Topics as Outcomes: Modeling the Influence of Intergovernmental Grants on Policy Diffusion
Policy Studies Journal, EarlyView.ABSTRACT Intergovernmental grants stimulate the diffusion of policy reforms, as the federal government provides states with a financial incentive to adopt policies aligned with federal priorities. Less is known about the extent to which these grants also stimulate horizontal diffusion across states.
NaLette Brodnax, Sarah James
wiley +1 more source
Estudio SYNTAX de la evidencia a la desobediencia
Brazilian Journal of Cardiovascular Surgery, 2013 Enio Buffolo, Alberto Juffe Stein
doaj +1 more source