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Supplement to Time Treatment Used for MUC-5


These are working notes prepared by Beth as a supplement to A Revised Template Description for Time (v3) prepared by James Pustejovsky and Federica Busa for Tipster Phase I and MUC-5.

a. AFTER, BEFORE, and ON may be used with date expressions at any level of granularity; use BETWEEN only when a date range cannot otherwise be expressed accurately.

"yesterday" [where DD is 03/27/87"]

ON 260387

"next month" [where DD is "06/29/87"]

ON 0787

"in the fall" [where DD is "07/03/87"]

ON FA87

"in the next two days" [where DD is "06/29/87"]

BEFORE 010787

"sometime in April" [where DD is "12/16/87"]

ON 0487

"sometime since April" [where DD is "12/16/87"]

AFTER 0487

"between 10 and 12 July this year" [where DD year is 1987]

BETWEEN 100787 120787

b. If (a) a calendar (i.e., knowledge of more than just how many days there are in a month) would have to be used to determine exact date or (b) the date expression is too vague to be mapped directly onto a normalized date, use "BEFORE|AFTER <date-derived-fm-DD-date>" as fill, even though this normalization will lose a lot of the meaning:

1. Cases that would require a calendar

"[last] Saturday" [where DD is "04/27/87"]

BEFORE 270487

"the 30-day cooling off period ends 12:01 EDT Saturday" [where the date fill is supposed to represent the *start* of the cooling-off period, and where DD is "04/08/87"]

BEFORE 080487

2. Vague date expressions

"[will continue...] this week" [where DD is "07/15/87"]

AFTER 150787

"two weeks ago" [where the date fill is supposed to represent the interval starting two weeks ago, and where DD is "08/28/87"]

BEFORE 280887


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Supplement to Time Treatment Used for MUC-5 - 08 JUN 95
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