Normalize Date Expressions before classification

Question

Normalize Date Expressions before classification

marfox opened this issue 9 years ago · comments

Lots of FEs are dates:

absolute, e.g., May 2008
relative, e.g., the previous season
interval, e.g., from 2008 to 2015

Varun Varadarajan · Answer 1 · Mon May 18 2015 10:18:27 GMT+0800 (China Standard Time)

Hi @marfox ,
I think the link to the CFG is not working. Also, just out of curiosity, I wanted to know what advantages CFGs offer over rule based systems such as SUTime(used in stanfordNLP). I am guessing there will be a lot of rules when we consider different languages but is that the only disadvantage?

Thanks in advance.
Varun

Marco Fossati · Answer 2 · Mon May 18 2015 16:54:42 GMT+0800 (China Standard Time)

Sorry for the broken link @Warun26 , the grammar has moved to a new module in the meanwhile. It should be fixed now.
CFG is a rule-based system, and as such behaves the same as SUTime.
In addition, it also allows for recursive rules, and I'm not sure if this is possible with SUTime, is it?

Varun Varadarajan · Answer 3 · Mon May 18 2015 21:43:19 GMT+0800 (China Standard Time)

SUTime does not support recursive rules. It just applies basic regex rules over tokens to extract temporal data. Thanks for the information! :-)

Marco Fossati · Answer 4 · Thu Jul 09 2015 18:43:09 GMT+0800 (China Standard Time)

Should implement the behavior in #47