Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Detecting Ongoing Events Using Contextual Word and Sentence Embeddings   This paper introduces the Ongoing Event Detection (OED) task, which is a
specific Event Detection task where the goal is to detect ongoing event
mentions only, as opposed to historical, future, hypothetical, or other forms
or events that are neither fresh nor current. Any application that needs to
extract structured information about ongoing events from unstructured texts can
take advantage of an OED system. The main contribution of this paper are the
following: (1) it introduces the OED task along with a dataset manually labeled
for the task; (2) it presents the design and implementation of an RNN model for
the task that uses BERT embeddings to define contextual word and contextual
sentence embeddings as attributes, which to the best of our knowledge were
never used before for detecting ongoing events in news; (3) it presents an
extensive empirical evaluation that includes (i) the exploration of different
architectures and hyperparameters, (ii) an ablation test to study the impact of
each attribute, and (iii) a comparison with a replication of a state-of-the-art
model. The results offer several insights into the importance of contextual
embeddings and indicate that the proposed approach is effective in the OED
task, outperforming the baseline models.

10
The categories of this paper are: q-bio
7
The categories of this paper are: hep-th
21
The categories of this paper are: adap-org
11
The categories of this paper are: hep-lat
29
The categories of this paper are: funct-an
18
The categories of this paper are: econ
5
The categories of this paper are: gr-qc
20
The categories of this paper are: acc-phys
4
The categories of this paper are: cond-mat
30
The categories of this paper are: q-alg
22
The categories of this paper are: chao-dyn
32
The categories of this paper are: atom-ph
6
The categories of this paper are: astro-ph
23
The categories of this paper are: solv-int
27
The categories of this paper are: comp-gas
16
The categories of this paper are: stat