Keyword extraction system
A technology for extracting systems and keywords, applied in special data processing applications, instruments, electronic digital data processing, etc., can solve problems such as unsupervised, limited information, and inability to provide enough information on document topics, to achieve targeted, expanded Scope of investigation and the effect of improving computational efficiency
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Embodiment 1
[0047] Input the following text into the keyword extraction system of the present invention for keyword extraction, "European stocks open lower for the Christmas holiday arrangements of major European countries. China Securities Net News European stocks opened lower today, and the Stoxx 600 index fell 0.1% to 366.12 points; the French CAC index fell 0.1% to 4669.76 points; the British FTSE 100 index fell 0.2% to 6253.29 points; the German stock market is closed today. The Christmas holiday arrangements of major European countries are not the same. The market will be closed for three and a half days during the holidays, the market will be closed half a day earlier on the 24th, the market will be closed all day on the 25th (Christmas), the 26th (Boxing Day) will fall on Saturday, and a compensatory rest will be required on the 28th. Trading again; the French stock market is closed for the Christmas holiday, which is December 25; the German stock market is closed for two days on D...
Embodiment 2
[0050] Input the following text into the keyword extraction system of the present invention, and perform keyword extraction, "A certain stock is suspected of violating the securities law and was investigated by the Securities Regulatory Commission. To the Securities Regulatory Commission's "Investigation Notice". Because the company is suspected of violating securities laws and regulations, according to the relevant provisions of the Securities Law, the China Securities Regulatory Commission decided to investigate the company." The keyword extraction results are as follows: {XX shares||Securities Law|| Investigation||Securities Regulatory Commission||Company||}, and the keyword result extracted through the existing textrank technology is: {Securities Regulatory Commission||Company||Investigation||Securities Law||Violation||}. The system of the present invention better extracts the subject words such as certain shares, and can reflect the theme of the document better than the re...
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