Table 4 Rules used for our rule-based method, original Japanese with English translations
From: De-identifying free text of Japanese electronic health records
Option 1 | main rule | Option 2 | |
|---|---|---|---|
翌 (next) | 一昨年 | two years ago | より (from) |
前 (before) | 昨年 | last year | まで (until) |
入院前 (before hospitalization) | 先月 | last month | 代 (‘s) |
入院後 (after hospitalization) | 先週 | last week | 前半 (early) |
来院から (after visit) | 昨日 | yesterday | 後半 (last) |
午前 (a.m.) | 今年 | this year | -- (from) |
午後 (p.m.) | 今月 | this month | -- (from) |
発症から (after onset) | 今週 | this week | 以上 (over) |
発症してから (after onset) | 今日 | today | 以下 (under) |
治療してから (after care) | 本日 | today | から (from) |
来年 | next year | 時 (when) | |
来月 | next month | 頃 (about) | |
来週 | next week | ごろ (about) | |
翌日 | tomorrow | ころ (about) | |
再来週 | the week after next | 上旬 (early) | |
明後日 | day after tomorrow | 中旬 (mid) | |
同年 | same year | 下旬 (late) | |
同月 | same month | 春 (spring) | |
同日 | same day | 夏 (summer) | |
翌年 | following year | 秋 (fall) | |
翌日 | the next day | 冬 (winter) | |
翌朝 | the next morning | 朝 (morning) | |
前日 | the previous day | 昼 (noon) | |
未明 | early morning | 夕 (evening) | |
その後 | after that | 晩 (night) | |
xx年 | xx (year) | 早朝 (early morning) | |
xx月 | xx (month) | 明朝 (early morning) | |
xx週間 | xx (week) | 以前 (before) | |
xx日 | xx (day) | 以降 (after) | |
xx時 | xx (o’clock) | 夕刻 (evening) | |
xx分 | xx (minutes) | ほど (about) | |