Exclusive Filter: A Term Leads with a Valid Lead-Unit matches Pattern of no SpVar (VLU)
The valid-lead-units are derived from Lexicon. Some lead-units from the invalid lead-end-unit candidate list are valid-lead-units and used to checked in the spVar pattern, such as "W", "many", "out of", etc.. N-grams start with any of these pattern valid lead-units and does not have spelling variant co-exist in n-gram set are most likely not valid multiwords. In 2014, there are 63 valid-lead-units found from program. 11 of them are removed and only 52 valid-lead-units are used for the pattern of no spVar. There are two wrong lexRecords associated with "the" and thus "the" is moved to absolute invalid lead-unit. Terms - "ex", "insdie", "last", "most", "only", "per", "round", "sersu", "v.", and "w" have valid MWE in Lexicon without spVar and thus they are removed as well. Please refer to design documents of Lead-Unit Types for details.
Description | FilterType | Notes |
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Get invalid terms | FT_TBD |
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Check if an invalid-unit | FT_LEAD_TERM_INV_PAT | Use invalid-unit-list from above step |
FilterType.FT_LEAD_TERM_INV_PAT
Lexicon | Filter | Sample No | Pass No | Trap No | Exp No | Pass-Rate |
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2023 | FT_LEAD_TERM_INV_PAT | 1001867 | 1001762 | 105 | 0 | 99.9895% |
2022 | FT_LEAD_TERM_INV_PAT | 998845 | 998740 | 105 | 0 | 99.9895% |
2021 | FT_LEAD_TERM_INV_PAT | 992545 | 992443 | 102 | 0 | 99.9897% |
2020 | FT_LEAD_TERM_INV_PAT | 983420 | 983324 | 96 | 0 | 99.9902% |
2019 | FT_LEAD_TERM_INV_PAT | 972721 | 972633 | 88 | 0 | 99.9910% |
2018 | FT_LEAD_TERM_INV_PAT | 955564 | 955476 | 88 | 0 | 99.9908% |
2017 | FT_LEAD_TERM_INV_PAT | 935276 | 935192 | 84 | 0 | 99.9910% |
2016 | FT_LEAD_TERM_INV_PAT | 915583 | 915503 | 80 | 0 | 99.9913% |
2015 | FT_LEAD_TERM_INV_PAT | 896213 | 896120 | 93 | 0 | 99.9896% |
2014 | FT_LEAD_TERM_INV_PAT | 875090 | 874991 | 99 | 0 | 99.9887% |
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