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Second Global Symposium of Intellectual Property Authorities. An approach to process multilingual patents corpora. Dr. Barrou DIALLO Head of Research, European Patent Office, Rijswijk. Geneva, September 17, 2010. EPO R&D Department.
An approach to process multilingual patents corpora
Dr. Barrou DIALLO
Head of Research, European Patent Office, Rijswijk
Geneva, September 17, 2010
On request supporting the EPO MT Task force and/or IP5 MT activities
Management support on ICT issues
Coordinating research initiatives across IT
Our Vision: Turning Technology into an effective IP Process
R&D center as a source of Efficiency:
GOAL: To provide the users with a clear assessment of the quality of MT systems
Which indicators of quality can be considered as valid?
Bleu score JPO 54 documents
NIST score JPO 54 documents
JP system case
high scores correlate with understandable translations
low scores correlate with non-understandable translations
Differences between documents from different IPC classes
Spread of scores is large (cf. std dev.)Our findings based on a limited example
BLEU is consistent with Human translations:
To address the issue of data origin:
BLEU score JP translation system vs. Google system
BLEU score Google
BLEU score JP
Mean scores for the whole collection:
Bleu score = 0 for JP
Bleu score = 0.15 for JP
Bleu score =0.30 for JP
JP Human Translation claim 1:
1. A low-level light detector, comprising: an avalanche photodiode with a bias voltage adjusted to produce a multiplication factor of up to 30; a capacitor connected to the avalanche photodiode for accumulating carriers produced and multiplied in the avalanche photodiode;>biasing means of the avalanche photodiode; outputting means of a capacitor voltage change; and control means of the
biasing and outputting means; wherein the low-level light detector detects an intensity of light impinging on the avalanche photodiode by periodically reading capacitor voltages and obtaining differences between the voltages.
JP MT Claim 1:
an avalanche photo-diode (APD) which adjusted bias voltage so that a multiplication factor might
become 30 or less ] A microscopic weak optical power detector detecting intensity of light irradiated
by above APD by connecting a capacitor for generating inside this APD and accumulating a ****(ed) carrier,
reading voltage of this capacitor periodically, and taking the difference
JP MT Google claim 1:
01 claim Avalanche adjusted so that the bias voltage multiplication factor of 30 or less (APD), and comprises
APD occurs within, connect a capacitor for storing carriers multiplication reads regularly voltage capacitor
comprises, by taking the difference above, APD was irradiated characterized by intensity of light to detect
Ru, very faint light detector. 
JP Human Translation:
1. An electronic throttle control device of an internal-combustion engine that controls an engine output by computing a quantity of a throttle opening degree on the basis of a manipulation quantity of an accelerator pedal by a driver by means of a computation portion in an electronic control unit, and by controlling a throttle opening degree using a specific actuator on the basis of a computed command value of the throttle opening degree,>wherein the electronic control unit includes:>a judgment function portion
[Claims 1]. It has the following and is characterized by choosing a predetermined map from said two or more characteristic conversion factor maps, and calculating a target throttle opening command value corresponding to a judgment result of said
judgment function part. being based on the amount of operations of a driver's accelerator by a calculating means of an electronic control unit (ECU) -- a throttle -- an opening -- quantity calculating and,
claims [claim] 1 electronic control unit (ECU) by means of operation, the driver's accelerator operation is calculated caliber throttle opening based on the amount that means actuator given on the command throttle opening by this operation, to control the opening of the throttle control, electronic throttle the internal combustion engine to control engine output apparatus, the electronic control unit, the normal operating conditions and engine systems, engine control unit to determine the abnormality detection capabilities,
Conclusion:Quality is not good enough for understanding the content
Human Translation JP:
1. A signal processing circuit comprising:>a pulse generation part that generates a pulse signal corresponding to an input signal;>an integration part that generates an integrated voltage having a time slope proportional to an input voltage with a duration specified by said pulse signal being set as an integration period; and>a hold part that holds and outputs a difference voltage between a start voltage and an end voltage of said integrated voltage in said integration period.
JP Machine Translation:
A signal-processing circuit comprising:A pulse generating means which generates a pulse signal according to an input signal.An integrating means which generates integration voltage which has a time slope which is proportional to input voltage by making into an integration period a period specified with said pulse signal.A hold means which holds and outputs difference voltage of starting potential of said integration voltage and end voltage in said integration period.
01 and pulse generation to generate a pulse signal corresponding to the input signal, the pulsed integration time period as specified in the signal integration means for generating a voltage gradient with an integration time proportional to the input voltage, the voltage difference between voltage and hold the start voltage and end voltage of said integration of said integration period hold, and a signal processing circuit means and output.
Conclusion: Tiny differences between JP MT and HT
Finding documents written in any language using queries expressed in a single language
Source language: the language that gives access to the required information; the query language
Target language: the language of the content in the database
Usage: patent query translation and/or patent translation from the source language.
Mohsen Jamali, Sharif Univ. of technology
Classic CLIR system tree: which strategy for patent documents?
How to deal with ambiguity?
Mutual Information (MI) is a technique based on co-occurrence statistic
If a set of translated query terms has a high MI value, then this set of translated terms
is to be considered as correct
Mutual Information associated to Total Correlation is proposed as a
measure for cross-language patent Retrieval
This approach is compatible with a collaborative view:
Graphical and textual editing of queries
Visual support of different search engines:
Query management functionality:
Storing of queries
Parameterization of queries using variables
Checking & amending interactively when necessary increase the chance of good results
The field of patent processing is still in a maturing mode
Barrou DIALLO firstname.lastname@example.org