We present a novel per-dimension learning rate method for gradient descent called ADADELTA. The method dynamically adapts over time using only first order information and has minimal computational overhead beyond vanilla stochastic gradient descent. The method requires no manual tuning of a learning rate and appears robust to noisy gradient information, different model architecture choices, var...

Feature set partitioning generalizes the task of feature selection by partitioning the feature set into subsets of features that are collectively useful, rather than by finding a single useful subset of features. This paper presents a novel feature set partitioning approach that is based on a genetic algorithm. As part of this new approach a new encoding schema is also proposed and its properti...

background: manual handling, lifting, or carrying of material is responsible for non-fatal injuries among employees in industries. it is the second most prevalent reported risk factor in workplaces that can lead to potential manual handling accidents and longer-term musculoskeletal disorders (msds). the aim of this study was the evaluation of manual material handling using the american national...

In this paper we make a proposal that writing modality (pen-and-paper versus computer-based can be conceptualized as cognitive task complexity factor. To lay ground for theoretical proposal, first review previous adaptations of task-based models to second language (L2) writing. We then compare pen-and-paper and modalities in terms their general characteristics, outline the main tenets multidisc...

Stereoscopic surface detection of human and ideal observers was assessed using a signal detection paradigm. Signal displays were disparity defined sinusoidal or square wave corrugations in depth containing various amounts of additive disparity noise. Distracter displays were created by scrambling pure signal stimuli along the vertical dimension destroying surface representation while leaving th...

We performed a Rasch analysis of cross-sectional developmental data gathered from children and adults who were presented with a task series derived from Inhelder's and Piaget's balance beam. The partial credit model situates both participants and items along a single hierarchically ordered dimension. As the Model of Hierarchical Complexity predicted, order of hierarchical complexity accurately ...

this paper examines the theoretical rationales and practical aspects of task-based language teaching (tblt) with particular reference to research findings in efl/esl contexts. the definitional scope of the term ‘task’, polarizations in terms of task vs. non-task, and its relation to different language teaching approaches have engendered conceptual and methodological ambiguities.  moreover, fact...