Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Early Discovery of Emerging Entities in Microblogs   Keeping up to date on emerging entities that appear every day is
indispensable for various applications, such as social-trend analysis and
marketing research. Previous studies have attempted to detect unseen entities
that are not registered in a particular knowledge base as emerging entities and
consequently find non-emerging entities since the absence of entities in
knowledge bases does not guarantee their emergence. We therefore introduce a
novel task of discovering truly emerging entities when they have just been
introduced to the public through microblogs and propose an effective method
based on time-sensitive distant supervision, which exploits distinctive
early-stage contexts of emerging entities. Experimental results with a
large-scale Twitter archive show that the proposed method achieves 83.2%
precision of the top 500 discovered emerging entities, which outperforms
baselines based on unseen entity recognition with burst detection. Besides
notable emerging entities, our method can discover massive long-tail and
homographic emerging entities. An evaluation of relative recall shows that the
method detects 80.4% emerging entities newly registered in Wikipedia; 92.4% of
them are discovered earlier than their registration in Wikipedia, and the
average lead-time is more than one year (571 days).

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The categories of this paper are: bayes-an
2
The categories of this paper are: math
15
The categories of this paper are: nucl-ex
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The categories of this paper are: econ
11
The categories of this paper are: hep-lat
8
The categories of this paper are: hep-ex
13
The categories of this paper are: quant-ph
5
The categories of this paper are: gr-qc
16
The categories of this paper are: stat
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The categories of this paper are: dg-ga
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The categories of this paper are: funct-an
7
The categories of this paper are: hep-th
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The categories of this paper are: chem-ph
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The categories of this paper are: nucl-th
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The categories of this paper are: acc-phys
3
The categories of this paper are: physics