Prologue to Sparsity Issue

Special Issue on "Cdk5 and Brain Disorders": Prologue.

Cyclin-dependent kinase 5 (Cdk5) was identified almost two decades ago as a Tau kinase specific to the nervous system. Shortly after its discovery, it was revealed that this atypical member of the CDK family does not partner with cyclins but with two other proteins, p35 and p39. P35 is predominantly expressed in post-mitotic neurons, whereas p39 is expressed in many different tissues including ...

Prologue

Addressing the Data Sparsity Issue in Neural AMR Parsing

Neural attention models have achieved great success in different NLP tasks. However, they have not fulfilled their promise on the AMR parsing task due to the data sparsity issue. In this paper, we describe a sequence-to-sequence model for AMR parsing and present different ways to tackle the data sparsity problem. We show that our methods achieve significant improvement over a baseline neural at...

Prologue Introduction to Coarse Grained Simulation

Mixing of materials by small scale turbulent motion is a critical element of many flow systems of interest in engineering, geophysics, and astrophysics. Numerical simulation plays a crucial role and turbulent mixing predictability is a major concern. Small scale resolution requirements focus typically on those of continuum fluid mechanics described by Navier–Stokes (NS) equations; different req...

Editorial: Prologue to guidelines for stroke care.

Prologue to Guidelines for Stroke Care • This prologue makes clear the factors that provided incentive for creating the Joint Committee for Stroke Facilities to prepare and publish the series of articles appearing regularly in Stroke (beginning with the May-June, 1972, issue), best described by the general title of Guidelines for Stroke Care. It points out in admirable fashion the many facets o...