LIU Li

Intra-epidemic evolutionary dynamics of a Dengue virus type 1 population reveal mutant spectra that correlate with disease transmission

Published date : 04 Mar 2016

Dengue virus (DENV) is currently the most prevalent mosquito-borne viral pathogen. DENVs naturally exist as highly heterogeneous populations. Even though the descriptions on DENV diversity are plentiful, only a few studies have narrated the dynamics of intra-epidemic virus diversity at a fine scale. Such accounts are important to decipher the reciprocal relationship between viral evolutionary dynamics and disease transmission that shape dengue epidemiology.

type
Journal Paper
journal
Scientific Reports 2016 Mar 4; 6:22592. doi: 10.1038/srep22592
Impact Factor
5.228

Recognizing Complex Activities by a Probabilistic Interval-based Model

Published date : 12 Feb 2016

A key challenge in complex activity recognition is the fact that a complex activity can often be performed in several different ways, with each consisting of its own configuration of atomic actions and their temporal dependencies. This leads us to define an atomic activity-based probabilistic framework that employs Allen’s interval relations to represent local temporal dependencies. The framework introduces a latent variable from the Chinese Restaurant Process to explicitly characterize these unique internal configurations of a particular complex activity as a variable number of tables.

type
Conference Paper/Poster
journal
AAAI-16, February 12-17, 2016, Phoenix Arizona, USA