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Ryan David Cotterell

Jan 30 • 3 tweets • 1 min read

Our MSc course in formal language theory is happening again in Spring 2023! Check out the syllabus rycolab.io/classes/aflt-s….

Content includes: (closed) semirings, the algebraic path problem, WFSA algorithms, WCFGs, Newton’s algorithm, the left-corner transformation

WPDAs, Lang’s Algorithm, weighted tree automata, weighted tree-adjoining grammars, the Weir hierarchy and much, much more.

The course has more words, grammar and structure than you could hope for!

There are also fun programming assignments in a homebrewed Python library rayuela [github.com/rycolab/aflt-f…].

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Ryan David Cotterell

@ryandcotterell

Oct 21, 2021

The ACL has pushed a new reviewing agenda to build the promise of a “more consistent reviewing" -- to quote the ARR website [aclrollingreview.org]. I’m going to outline why this is not a good idea, and we should be skeptical of promoting consistency. 🧵

@kchurch4

The idea that consistency is a bad idea for computer science conference paper reviewing is not new. Ken Church (@kchurch4) argued back in 2005 [direct.mit.edu/coli/article/3…] that we should select papers where the scores were high variance.

The reason is that papers with high variance in the scores may be of great interest to some people, even if the majority doesn't find them interesting. Also, Ken notes that conferences have a history of rejecting hugely successful papers, e.g. SIGIR rejected the PageRank paper

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