Trends in ACL 2020

ACL 2020 runs virtual. Thanks to the format, I was able to listen to many talk sessions that would otherwise be held in parallel, and was able to observe some trends from a collection of ~150 papers I took notes about. This blog presents these trends, and the note is attached below.

  1. Deep learning is at the center
  2. Dialog gets exponentially more looks
  3. NLP impacts the society
  4. Linguistics and cognitive psychology needs attentions
  5. We need to understand what happened in NLP

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Tested Positive. Do I Have It?

As the antibody tests of SARS-CoV-2 are being carried out, and people start to explain (e.g., on Twitter) what is means to test positive, I want to elaborate on a concept that most elementary probability textbook have mentioned, since people may be overly anxious (or too careless) about a positive result.
The estimate of how many people are positive in your region (prior) affects a lot the estimated chances of you having it, given you tested positive (posterior).

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Deconfounding Age Impacts

This is a project done while interning at Winterlight Labs. We identify the problem of age being confounded into dementia detection with linguistic features, propose to use fair representation learning to address it, and propose to evaluate with a modified equalized odd score.
On two datasets, DementiaBank and Famous People, our best methods outperform traditional statistical adjustments (residualization and inverse probability weighting), and are comparable to the theoretical upper bound.

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Books I loved in 2019

In 2019 I have been fortunate to go through several very interesting books. Following are a brief description of each of them.

  • Bad Blood: Secrets and Lies in a Sillicon Valley Startup (John Carreyrou)
  • Philosophical Investigations (Ludwig Wittgenstein)
  • Kant: a very short introduction (Roger Scruton)
  • Practical Programming for Strength Training (Mark Rippetoe)
  • Other interesting books

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Familiarizing with Bash

This blog contains some notes for using bash command. I’m writing them here in an “aid-sheet” style. This could also be a concise, elementary tutorial into bash. I’ll group them into following sections.

  • File system navigation (cd, ls, cat, du, df)
  • Playing around with variables

Remote working

  • Connect to remote computer (ssh, sftp, wget, curl)
  • Compress / uncompress files (dpkg, tar, zip)
  • Run programs remotely (chmod, nohup, &, &&)

Processing data

  • For loop, sed, find, grep, piping

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