MIT Center for Civic Media - Algorithmically Finding Topics and Frames In The News

Post on 04-Aug-2015

42 views 1 download

Tags:

Transcript of MIT Center for Civic Media - Algorithmically Finding Topics and Frames In The News

CONTEXTS: Topic Frames

Ali Hashmi/Sands Fish

PROBLEM

How do we discover insights in large amounts of data?

How is a topic discussed or represented?

How is a topic framed?

What is its context?

Xu Bing (b. 1955). Book from the Sky, ca. 1987–1991. New York MET.

DISCOURSEDiscourse as a way of speaking/ representation

“the general domain of all statements sometimes as an individualizable group of statements, and sometimes as a regulated practice that accounts for a number of statements”

METHODOLOGY

Unsupervised Learning

Discover underlying discourse structure or CONTEXT

Identify latent semantic connections

TOOL FOR MEDIA CLOUD

NSA, NET NEUTRALITY: 1

NSA, NET NEUTRALITY: 2

NSA, NET NEUTRALITY: 3

THANKS