Exclusive Filter: A Term Ends with Absolute Invalid End-Unit (AIEU)
The absolute invalid end-units (AIEU) are derived from Lexicon. Some end-units from the invalid lead-end-unit candidate list are absolute invalid end-units, such as "about", "across", "across from", etc.. N-grams end with any of these absolute invalid end-units are not valid multiwords. In 2014, there are 407 abosulute invalid end-units. Please refer to design documents of Lead-End-Unit Model for details.
Description | FilterType | Notes | ||||||||||||||||||||||||||||||||||||||||||
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Norm: strip punctuation except for '/.- | FT_TBD |
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FilterType.FT_END_TERM_INV_ABS
Lexicon | Filter | Sample No | Pass No | Trap No | Exp No | Pass-Rate |
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2023 | FT_END_TERM_INV_ABS | 1001867 | 1001861 | 6 | 471 | 99.9994% |
2022 | FT_END_TERM_INV_ABS | 998845 | 998839 | 6 | 471 | 99.9994% |
2021 | FT_END_TERM_INV_ABS | 992545 | 992539 | 6 | 471 | 99.9994% |
2020 | FT_END_TERM_INV_ABS | 983420 | 983414 | 6 | 456 | 99.9994% |
2019 | FT_END_TERM_INV_ABS | 972721 | 972715 | 6 | 442 | 99.9994% |
2018 | FT_END_TERM_INV_ABS | 955564 | 955558 | 6 | 442 | 99.9994% |
2017 | FT_END_TERM_INV_ABS | 935276 | 935273 | 3 | 442 | 99.9997% |
2016 | FT_END_TERM_INV_ABS | 915583 | 915580 | 3 | 438 | 99.9997% |
2015 | FT_END_TERM_INV_ABS | 896213 | 896210 | 3 | 435 | 99.9997% |
2014 | FT_END_TERM_INV_ABS | 875090 | 875087 | 3 | 436 | 99.9997% |