Time Pattern Expansion

1. Time Pattern Expansion KwangHee Park

3. Time Pattern Expansion • Problem statement • Time patterns extracted before are not contain Time idiom, Repeated time patterns and Relational time pattern. For this reason, time pattern expansion is needed • 3 type of patterns • Time idiom • Relational Time pattern • Repeated Time pattern

4. Time idiom • Terms which represent specific fixed date • Mostly popular anniversaries and holiday • Resources & tools • Naver calendar, Google calendar of Korean anniversary • CoreNet (일<연월일>) • Email Corpus

5. Time idiom • Annotation format • [list of Korean name]/[list of english name]/[S|M]/[actual date] • Ex) Christmas • 크리스마스,성탄절/Christmas,X-mas/S/12.25 • 133 number of Timeidioms are collected

6. Relational Time pattern • Represent distance between a basis time • Distance units : Minute, Hour, Day, Week Day, Month, Year • Basis time is the time when the announce arrived

7. Relational Timepattern • Annotation format • [+|-]<p>[*]<p>[Y|M|D|WD|T|N] • Ex) • 다음달: +1M • 내일 : +1D • 작년: -1Y • 48 number of patterns are collected

8. Repeated time pattern • Usually used with other time expression pattern • Categorized by Duration • Time [T] • Day [D] • Month [M] • Year [Y] • Minute [N] • Week [WD]

9. Repeated time pattern • Annotation format : • [T|D|M|Y|N|WD] • Ex) • 매년=[Y] • 매일=[D] • 매해 = [Y] • 18 number of patterns are collected

10. Current state • It’s done by 12/8 as schedule • Hand over the result to DongHyun

11. Thanks