METHOD AND DEVICE FOR RETRIEVING DATA AND TRANSFORMING SAME INTO QUALITATIVE DATA OF A TEXT-BASED DOCUMENT
First Claim
1. A method for extracting information from a data file comprisinga first step wherein the data are transmitted to a device adapted to convert the data in the course of a first step into elementary units, the elementary units being transmitted to a second step of searching in the dictionaries and a third step of searching in grammars, wherein, for the conversion step, a sliding window of given size is used, the data are converted into elementary units as and when they arrive in the service and the elementary units are transmitted as and when they are formed to the step of searching in dictionaries, then to the step of searching in the grammars.
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Abstract
Method for extracting information from a data file comprising a first step wherein the data are transmitted to a device (3.1) or “tokenizer” adapted to convert them in the course of a first step into elementary units or “tokens”, the elementary units being transmitted to a second step of searching in the dictionaries (3.2) and a third step (3.3) of searching in grammars, characterized in that, for the conversion step, a sliding window of given size is used, the data are converted into “tokens” as and when they arrive in the tokenizer and the tokens are transmitted as and when they are formed to the step of searching in dictionaries (3.2), then to the step of searching in the grammars (3.3).
302 Citations
11 Claims
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1. A method for extracting information from a data file comprising
a first step wherein the data are transmitted to a device adapted to convert the data in the course of a first step into elementary units, the elementary units being transmitted to a second step of searching in the dictionaries and a third step of searching in grammars, wherein, for the conversion step, a sliding window of given size is used, the data are converted into elementary units as and when they arrive in the service and the elementary units are transmitted as and when they are formed to the step of searching in dictionaries, then to the step of searching in the grammars.
Specification