documentation:technical:search_grammar
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| Both sides previous revisionPrevious revisionNext revision | Previous revisionLast revisionBoth sides next revision | ||
| documentation:technical:search_grammar [2010/06/15 12:22] – miker | documentation:technical:search_grammar [2016/03/25 12:34] – mention the #lucky search modifier gmcharlton | ||
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| Line 14: | Line 14: | ||
| * Descending (newest first):< | * Descending (newest first):< | ||
| * How about some nested boolean action:< | * How about some nested boolean action:< | ||
| + | * Phrase searches can be left-anchored: | ||
| + | * Phrase searches can also consider punctuation literally: < | ||
| * Speaking of facets, imagine a locally defined index definition in the keyword class called mat_type that indexes, say, 945$m, which is a local field holding bib-level " | * Speaking of facets, imagine a locally defined index definition in the keyword class called mat_type that indexes, say, 945$m, which is a local field holding bib-level " | ||
| * Browse all of your DVD mat_types sorted by author:< | * Browse all of your DVD mat_types sorted by author:< | ||
| Line 30: | Line 32: | ||
| modifier_marker | modifier_marker | ||
| phrase_boundary | phrase_boundary | ||
| + | phrase_left_anchor | ||
| + | phrase_right_anchor | ||
| 1_word_phrase_marker | 1_word_phrase_marker | ||
| negator | negator | ||
| Line 42: | Line 46: | ||
| negated_word | negated_word | ||
| required_word | required_word | ||
| - | phrase | + | phrase |
| term := word | negated_word | required_word | phrase { whitespace term } | term := word | negated_word | required_word | phrase { whitespace term } | ||
| Line 111: | Line 115: | ||
| * **metabib** or **metarecord** -- Metarecord search, instead of direct bibliographic record search | * **metabib** or **metarecord** -- Metarecord search, instead of direct bibliographic record search | ||
| * **staff** -- Staff search, which includes hidden records and non-transcendent records with no items or located URIs | * **staff** -- Staff search, which includes hidden records and non-transcendent records with no items or located URIs | ||
| + | * Cover density ranking algorithm tuning parameters, as described in the [[http:// | ||
| + | * **CD_logDocumentLength** | ||
| + | * **CD_documentLength** | ||
| + | * **CD_meanHarmonic** | ||
| + | * **CD_uniqueWords** | ||
| + | * **CD_logUniqueWords** | ||
| + | * **CD_selfPlusOne** | ||
| + | * **lucky** -- Return only the first hit, à la Google' | ||
| == Registered classes (from the stock config.metabib_class) == | == Registered classes (from the stock config.metabib_class) == | ||
| Line 206: | Line 218: | ||
| |subject|temporal| | |subject|temporal| | ||
| |subject|topic| | |subject|topic| | ||
| + | | ||
documentation/technical/search_grammar.txt · Last modified: 2022/02/10 13:34 by 127.0.0.1