keywords
The keywords container includes high-level summary words or phrases found in patent documents. This container is available for CN to Premium Plus subscribers.
Chinese Language Example
<keywords mxw-id="PKEY1" load-source="patent-office" lang="ZH" format="original"> <keyword-set technical-field="invention-title" subjects-number="2"> <keyword sequence="1" pfq="1" dvalue="1">方法和设备</keyword> <keyword sequence="2" pfq="1" dvalue="0.97">识别部件</keyword> </keyword-set> <keyword-set technical-field="abstract" subjects-number="18"> <keyword sequence="1" pfq="4" dvalue="1">马达</keyword> <keyword sequence="2" pfq="2" dvalue="0.70">比较装置</keyword> </keyword-set> </keywords>
English Language Example
<keywords mxw-id="PKEY2" load-source="patent-office" 7lang="EN" format="original-translated"> <keyword-set technical-field="invention-title" subjects-number="2"> <keyword sequence="1" pfq="1" dvalue="1">Method and equipment</keyword> <keyword sequence="2" pfq="1" dvalue="0.97">Identification unit</keyword> </keyword-set> <keyword-set technical-field="abstract" subjects-number="18"> <keyword sequence="1" pfq="4" dvalue="1">Motor</keyword> <keyword sequence="2" pfq="2" dvalue="0.70">The comparison means</keyword> </keyword-set> </keywords>
keywords/keyword-set
Attribute | Description |
---|---|
technical-field | Section of the patent document in which the keyword occurs |
subjects-number | Number of distinct keywords which occur within a section |
keywords/keyword-set/keyword
Attribute | Description |
---|---|
sequence | Sequence number |
pfq | Number of occurrences of a keyword within a section (frequency) |
dvalue | Relevance ranking weight of a keyword, ranging from 0 to 1, with 1 indicating the greatest relevance |