نتایج جستجو برای: accessibility model

تعداد نتایج: 2131061  

2002
Marius Thériault François Des Rosiers Florent Joerin Frédéric Bégin Paul Villeneuve Martin Lee-Gosselin

Accessibility to goods and services is a complex notion which completely pervades territorial issues. Some aspects of accessibility are related to physical features and could be expressed using measurement units. Others are related to preferences that depend on values shared among people belonging to various social groups. These values are related to their specific constraints including economi...

2015
Jacob D. Hinkle Peter N. Ciesielski Kenny Gruchalla Kristin R. Munch Bryon S. Donohoe

BACKGROUND Substrate accessibility to catalysts has been a dominant theme in theories of biomass deconstruction. However, current methods of quantifying accessibility do not elucidate mechanisms for increased accessibility due to changes in microstructure following pretreatment. RESULTS We introduce methods for characterization of surface accessibility based on fine-scale microstructure of th...

2008
Giorgio Brajnik

The topic I want to address is the role that accessibility evaluation methods can play in helping the transition from accessibility viewed as standard conformance, to a user-centered accessibility. As we will see, this change sets additional requirements on how evaluations of websites should be carried out. This paper first discusses different problems that occur while dealing with accessibilit...

Journal: :Genome research 2016
Tatsunori Hashimoto Richard I Sherwood Daniel D Kang Nisha Rajagopal Amira A Barkal Haoyang Zeng Bart J M Emons Sharanya Srinivasan Tommi Jaakkola David K Gifford

Enhancers and promoters commonly occur in accessible chromatin characterized by depleted nucleosome contact; however, it is unclear how chromatin accessibility is governed. We show that log-additive cis-acting DNA sequence features can predict chromatin accessibility at high spatial resolution. We develop a new type of high-dimensional machine learning model, the Synergistic Chromatin Model (SC...

2015
Indre Zliobaite Michael Mathioudakis Tuukka Lehtiniemi Pekka Parviainen Tomi Janhunen

This pilot study investigates how considering accessibility could help to model prices of residential real estate more accurately. We introduce two novelties from the price modeling point of view (1) defining accessibility as travel time by public transport, in addition to geographic distance, and (2) considering dynamic points of interest from check-ins into social networks, in addition to fix...

Journal: :IEEE Trans. Automat. Contr. 2002
George J. Pappas Slobodan Simic

In this paper, we consider the problem of constructing abstractions of affine control systems that preserve reachability properties, and, in particular, local accessibility. In this framework, showing local accessibility of the higher level, abstracted model is equivalent to showing local accessibility of the, more detailed, lower level model. Given an affine control system and a smooth surject...

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