Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Computational Framework for Multi-Modal Social Action Identification   We create a computational framework for understanding social action and
demonstrate how this framework can be used to build an open-source event
detection tool with scalable statistical machine learning algorithms and a
subsampled database of over 600 million geo-tagged Tweets from around the
world. These Tweets were collected between April 1st, 2014 and April 30th,
2015, most notably when the Black Lives Matter movement began. We demonstrate
how these methods can be used diagnostically-by researchers, government
officials and the public-to understand peaceful and violent collective action
at very fine-grained levels of time and geography.

26
The categories of this paper are: bayes-an
19
The categories of this paper are: eess
9
The categories of this paper are: nlin
28
The categories of this paper are: alg-geom
8
The categories of this paper are: hep-ex
13
The categories of this paper are: quant-ph
0
The categories of this paper are: hep-ph
30
The categories of this paper are: q-alg
6
The categories of this paper are: astro-ph
12
The categories of this paper are: nucl-th
15
The categories of this paper are: nucl-ex
21
The categories of this paper are: adap-org
37
The categories of this paper are: supr-con
4
The categories of this paper are: cond-mat
22
The categories of this paper are: chao-dyn
25
The categories of this paper are: patt-sol