JPH04106664A - Patent document classifying device - Google Patents
Patent document classifying deviceInfo
- Publication number
- JPH04106664A JPH04106664A JP2225589A JP22558990A JPH04106664A JP H04106664 A JPH04106664 A JP H04106664A JP 2225589 A JP2225589 A JP 2225589A JP 22558990 A JP22558990 A JP 22558990A JP H04106664 A JPH04106664 A JP H04106664A
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- 238000001514 detection method Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000000605 extraction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
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Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、特許調査作業などで、目的とする専門分野に
関連する特許文書を抽出するための特許文書分類装置に
関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a patent document classification device for extracting patent documents related to a target specialized field in patent search work or the like.
（従来の技術）
特許調査は、膨大な特許の中から調査の対象となる専門
分野に関連する特許を、抽出する必要がある。(Prior Art) In patent searches, it is necessary to extract patents related to the specialized field to be searched from among a huge number of patents.
一般的に、特許抽出作業には、次の２種類の方法がある
。第１の方法は、特許調査の対象となる専門分野に関連
するキーワードによって検索する方法である。たとえば
、機械翻訳機に関する特許を調査したいときは、「機械
翻訳」、「構文解析」、「訳文生成」等のキーワードを
用いてこれらのキーワードを含む特許を抽出する。また
、第２の方法は、特許の国際分類コードを用いて検索す
る方法である。たとえば、機械翻訳機に関する特許の国
際分類コードは、ＧＯ６Ｆ１５／３８、ＧＯ６Ｆ１５７
２０等なのでこれらの国際分類コードが付与された特許
を抽出する。Generally, there are two types of methods for patent extraction work: The first method is to search using keywords related to the specialized field targeted for patent search. For example, when searching for patents related to machine translation machines, keywords such as "machine translation,""syntaxanalysis," and "translation generation" are used to extract patents containing these keywords. The second method is to search using international classification codes of patents. For example, the international classification codes for patents related to machine translators are GO6F15/38 and GO6F157.
20, etc., so patents to which these international classification codes are assigned are extracted.
（発明が解決しようとする課厘）
しかしながら、上記の特許抽出方法では、キーワードお
よび国際分類コードによる検索は共に、検索して得られ
た特ｔの中に特許調査の対象となる専門分野と無関係の
特許が数多く含まれるため、得られた特許の中から、人
手によって専門分野に関連する特許を選別する必要があ
り、特許抽出の作業効率が悪いという問題があった。(The problem that the invention is trying to solve) However, in the above patent extraction method, both keywords and international classification codes are searched, and some of the features obtained by the search are irrelevant to the specialized field that is the target of the patent search. Since the system contains a large number of patents, it is necessary to manually select patents related to specialized fields from among the obtained patents, resulting in a problem of poor patent extraction efficiency.
本発明は上記の間駅を解決するもので、自動的に専門分
野を判定し、外部記憶手段に登録できる特許文書分類装
置を提供するものである。The present invention solves the above problems and provides a patent document classification device that can automatically determine a specialized field and register it in an external storage means.
（課題を解決するための手段）
上記の課題を解決するため、本発明は、文字の入力並び
に特許文書の分類作業に付随する指示を行う入力手段と
、特許文書の分類処理の実行を制御する実行制御部と、
複数個の特許文書を記憶する外部記憶手段と、外部記憶
手段より読み込んだ特許文書を記憶する特許文書記憶部
と、特許文書の中から専門用語と考えられる単語を検出
する専門用語候補検出部と、専門用語候補検出部が専門
用語候補を検出するために参照する一般的な単語を格納
した基本単語辞書と、上記専門用語候補検出部が出力す
る専門用語候補を記憶する専門用語候補記憶部と、専門
用語候補記憶部に記憶された専門用語候補を基に、特許
文書がどの専門分野に属するかを判定する専門分野判定
部と、専門分野判定部が特許文書の専門分野を判定する
ために参照する専門分野ごとにそれぞれの専門用語を格
納した少なくとも１個以上の専門用語辞書と、上記専門
分野判定部が出力する専門分野情報を格納する専門分野
情報記憶部と、上記外部記憶手段への特許文書の格納先
を判定する特許文書格納判定部と、特許文書格納先判定
部が参照する少なくとも１個以上の専門分野に対して専
門分野と該専門分野に関する特許文書の外部記憶手段へ
の格納先とを対にして格納した特許文書格納先テーブル
とを設けるものである。(Means for Solving the Problems) In order to solve the above problems, the present invention provides an input means for inputting characters and giving instructions accompanying the classification work of patent documents, and an input means for controlling the execution of the classification processing of patent documents. an execution control unit;
external storage means for storing a plurality of patent documents; a patent document storage section for storing patent documents read from the external storage means; and a technical term candidate detection section for detecting words considered to be technical terms from the patent documents. , a basic word dictionary that stores general words that the technical term candidate detection unit refers to in order to detect technical term candidates, and a technical term candidate storage unit that stores the technical term candidates output by the technical term candidate detection unit. , a specialized field determining unit that determines to which specialized field a patent document belongs based on the technical term candidates stored in the technical term candidate storage unit; and a specialized field determining unit that determines the specialized field of the patent document. at least one technical term dictionary storing respective technical terms for each specialized field to be referred to; a specialized field information storage section storing specialized field information outputted by the specialized field determination section; A patent document storage determination unit that determines a storage location of a patent document, and storage of a specialized field and patent documents related to the specialized field in an external storage means for at least one or more specialized fields referred to by the patent document storage location determination unit. A patent document storage destination table is provided in which patent documents are stored in pairs.
（作 用）
上記の構成により、特許文書の専門分野を自動的に判定
して、特許文書を専門分野別に外部記憶手段内の所定の
格納先へ登録することができるので、従来人手によって
いた、特許調査の対象となる専門分野に関連する特許文
書の抽出作業の自動化が可能となり、作業効率の改善が
図られる。(Function) With the above configuration, the specialized field of a patent document can be automatically determined and the patent document can be registered in a predetermined storage location in the external storage means for each specialized field, so that it is possible to automatically determine the specialized field of a patent document and register the patent document in a predetermined storage location in the external storage means. It becomes possible to automate the process of extracting patent documents related to the specialized field targeted for patent search, improving work efficiency.
（実施例）
本発明の一実施例を第１図ないし第８図により説明する
。第１図は、本発明による特許文書分類装置のブロック
図で、特許文書分類装置は、文字の入力並びに特許文書
の分類作業に付随する指示を行う入力手段１と、特許文
書の分類処理の実行を制御する実行制御部２と、複数個
の特許文書を記憶する外部記憶手段３と、外部記憶手段
３より読み込んだ特許文書を記憶する特許文書記憶部４
と、特許文書の中から専門用語と考えられる単語を検出
する専門用語候補検出部５と、専門用語候補検出部５が
専門用語候補を検出するために参照する一般的な単語を
格納した基本単語辞書６と、上記専門用語候補検出部５
が出力する専門用語候補を記憶する専門用語候補記憶部
７と、専門用語候補記憶部７に記憶された専門用語候補
を基に、特許文書がどの専門分野に属するかを判定する
専門分野判定部８と、専門分野判定部８が特許文書の専
門分野を判定するために参照する専門分野ごとにそれぞ
れの専門用語を格納した少なくとも１個以上の専門用語
辞書９と、上記専門分野判定部８が出力する専門分野情
報を格納する専門分野情報記憶部１０と、上記外部記憶
手段３への特許文書の格納先を判定する特許文書格納先
判定部１１と、特許文書格納先判定部１１が参照する少
なくとも１個以上の専門分野に対して専門分野と該専門
分野に関する特許文書の外部記憶手段３への格納先とを
対にして格納した特許文書格納先テーブル１２とから構
成されている。(Example) An example of the present invention will be described with reference to FIGS. 1 to 8. FIG. 1 is a block diagram of a patent document classification device according to the present invention. Execution control section 2 that controls, external storage section 3 that stores a plurality of patent documents, and patent document storage section 4 that stores patent documents read from external storage section 3.
, a technical term candidate detection unit 5 that detects words that are considered to be technical terms from patent documents, and a basic word that stores general words that the technical term candidate detection unit 5 refers to in order to detect technical term candidates. Dictionary 6 and the technical term candidate detection unit 5
a technical term candidate storage unit 7 that stores technical term candidates output by the technical term candidate storage unit 7; and a specialized field determination unit that determines which specialized field the patent document belongs to based on the technical term candidates stored in the technical term candidate storage unit 7. 8, at least one or more technical term dictionaries 9 storing respective technical terms for each specialized field referred to by the specialized field determining section 8 to determine the specialized field of a patent document, and the specialized field determining section 8 Referenced by the specialized field information storage unit 10 that stores the specialized field information to be output, the patent document storage location determination unit 11 that determines the storage location of the patent document in the external storage means 3, and the patent document storage location determination unit 11 It consists of a patent document storage location table 12 that stores pairs of specialized fields and storage locations in the external storage means 3 of patent documents related to the specialized fields for at least one or more specialized fields.
以上のように構成された特許文書分類装置の動作を第２
図のフローチャートに沿って説明する。The operation of the patent document classification device configured as described above is explained in the second section.
This will be explained along the flowchart in the figure.
まず、入力手段１から外部記憶手段３に格納されている
特許文書を専門分野に分類するように指示すると、実行
制御部２は、外部記憶手段３に格納されている特許文書
の中から１文書を選択し特許文書記憶部４にその内容を
読み込む（ステップＡ）。第３図は、特許文書記憶部４
に読み込まれた特許文書の内容の一例を示す。First, when an instruction is given from the input means 1 to classify patent documents stored in the external storage means 3 into specialized fields, the execution control unit 2 selects one patent document from among the patent documents stored in the external storage means 3. is selected and its contents are read into the patent document storage section 4 (step A). FIG. 3 shows the patent document storage unit 4.
An example of the content of a patent document read in is shown below.
次に、実行制御部２は、専門用語候補検出部５に対し特
許文書記憶部４に読み込まれた特許文書の中から専門用
語と考えられる単語を検出するように指示すると、専門
用語候補検出部５は、特許文書記憶部４に記憶されてい
る特許文書のすべての単語について基本単語辞書６を検
索し、一致する単語がないかどうかを調べ、基本単語辞
書６と一致しなかった単語を専門用語候補記憶部７に格
納する（ステップＢ）。なお基本単語辞書６は、専門用
語辞書９の登録単語と重複しないように構成する。第４
図は、第３図に示した特許文書に対するステップＢの処
理終了時に、専門用語候補記憶部７に格納された専門用
語候補の例を示す。Next, when the execution control unit 2 instructs the technical term candidate detection unit 5 to detect words that are considered to be technical terms from the patent document read into the patent document storage unit 4, the technical term candidate detection unit 5 searches the basic word dictionary 6 for all the words of the patent document stored in the patent document storage unit 4, checks whether there are any matching words, and searches the words that do not match with the basic word dictionary 6 as a specialized word. It is stored in the term candidate storage section 7 (step B). Note that the basic word dictionary 6 is configured so as not to overlap with words registered in the technical term dictionary 9. Fourth
The figure shows an example of technical term candidates stored in the technical term candidate storage section 7 at the end of the process of step B for the patent document shown in FIG.
さらに、実行制御部２は、専門分野判定部８に対して専
門用語候補記憶部７に格納されている専門用語候補を基
に専門分野を判定するよう指示すると、専門分野判定部
８は、専門用語候補記憶部７に格納されているすべての
単語について専門用語辞書９を検索し、それぞれの単語
が専門用語辞書９に存在するか否かを示す情報を専門分
野情報記憶部１０に書き込む（ステップＣ）。第５図は
、専門用語辞書９の一例を示すもので、専門用語辞書９
は機械翻訳機、かな漢字変換装置、プリンタの３種類の
専門用語辞書からなっている。また、第６図は、ステッ
プＣの処理終了時の判定状態を示すもので、第４図に示
した専門用語候補記憶部７に格納された専門用語候補例
について、第５図に示した専門用語辞書９を検索した結
果を専門分野情報記憶部１０に格納した例を示す。専門
分野情報記憶部１０には、専門用語候補記憶部７に格納
された各々の単語について、専門用語辞書９を検索した
結果、一致すれば１、一致しなければＯを書き込む。な
お、専門用語辞書９が複数の専門用語辞書からなる場合
は、各々の専門用語辞書ごとに検索結果を専門分野情報
記憶部１０に書き込み、さらに、それぞれの最下段にそ
れぞれの専門用語辞書９と一致する単語の合計数を書き
込む。Further, when the execution control unit 2 instructs the specialized field determining unit 8 to determine the specialized field based on the technical term candidates stored in the technical term candidate storage unit 7, the specialized field determining unit 8 The technical term dictionary 9 is searched for all the words stored in the term candidate storage unit 7, and information indicating whether each word exists in the technical term dictionary 9 is written into the specialized field information storage unit 10 (step C). FIG. 5 shows an example of the technical term dictionary 9.
consists of three types of specialized terminology dictionaries: a machine translator, a kana-kanji converter, and a printer. Further, FIG. 6 shows the determination state at the end of the process of step C. Regarding the technical term candidate example stored in the technical term candidate storage unit 7 shown in FIG. An example is shown in which the results of searching the terminology dictionary 9 are stored in the specialized field information storage unit 10. In the specialized field information storage section 10, as a result of searching the technical term dictionary 9 for each word stored in the technical term candidate storage section 7, 1 is written if there is a match, and O is written if there is no match. In addition, when the technical term dictionary 9 consists of a plurality of technical term dictionaries, the search results for each technical term dictionary are written in the specialized field information storage section 10, and furthermore, the respective technical term dictionaries 9 and Write the total number of matching words.
次に、実行制御部２は、特許文書格納先判定部１１に該
特許文書の外部記憶手段３への格納先を判定するよう指
示すると、特許文書格納先判定部１１は、専門分野情報
記憶部１０の最下段の合計数を参照し、一致数が最も多
い専門用語辞書９、すなわち、専門用語候補記憶部７に
格納された単語を最も多く含む専門用語辞書９の専門分
野を該特許文書の専門分野と判定し、さらに、特許文書
格納先テーブル１２を参照して該特許文書の専門分野に
対する外部記憶手段３への格納先を読み込み、その内容
を実行制御部２に通知する（ステップＤ）。Next, when the execution control unit 2 instructs the patent document storage location determination unit 11 to determine the storage location of the patent document in the external storage means 3, the patent document storage location determination unit 11 instructs the patent document storage location determination unit 11 to 10, and select the specialized field of the technical term dictionary 9 that has the largest number of matches, that is, the technical term dictionary 9 that contains the largest number of words stored in the technical term candidate storage unit 7, for the patent document. It is determined that the patent document is in a specialized field, and further, the patent document storage location table 12 is referred to to read the storage location in the external storage means 3 for the specialized field of the patent document, and the content thereof is notified to the execution control unit 2 (step D). .
第３図に示した特許文書に対しては、第６図に示した専
門分野情報記憶部１０の内容例における各専門用語辞書
９との一致単語の合計数は、機械翻訳機専門用語辞書が
８、かな漢字変換装置専門用語辞書が４、プリンタ専門
用語辞書が１となっており、機械翻訳機専門用語辞書の
一致単語数が最大となるため、該特許文書の専門分野と
して機械翻訳機が選択される。第７図は、特許文書格納
先テーブルの内容の一例で、機械翻訳機に関連する特許
文書の外部記憶手段３への格納先は、「特許。For the patent document shown in FIG. 3, the total number of matching words with each technical term dictionary 9 in the content example of the specialized field information storage unit 10 shown in FIG. 8. The Kana-Kanji conversion device technical term dictionary is 4, the printer technical term dictionary is 1, and the number of matching words in the machine translator technical term dictionary is the maximum, so the machine translator is selected as the specialized field of the patent document. be done. FIG. 7 shows an example of the contents of the patent document storage location table, where the storage location in the external storage means 3 of patent documents related to the machine translator is "Patent.
機械翻訳機」であり、この情報が特許文書格納先判定部
１１から実行制御部２に通知される。続いて、実行制御
部２は、特許文書記憶部４に格納されている該特許文書
の内容を、特許文書格納先判定部１１より通知された外
部記憶手段３内の所定の格納先に転送する。第８図は、
第３図に示した特許文書の例に対して、ステップＤの処
理を終了した時点の外部記憶手段３の特許文書格納状況
を示す。This information is notified from the patent document storage location determination unit 11 to the execution control unit 2. Subsequently, the execution control section 2 transfers the contents of the patent document stored in the patent document storage section 4 to a predetermined storage destination in the external storage means 3 notified by the patent document storage destination determination section 11. . Figure 8 shows
For the example patent document shown in FIG. 3, the storage status of the patent document in the external storage means 3 at the time when the process of step D is completed is shown.
最後に、実行制御部２は、外部記憶手段３に格納された
すべての特許文書に対して専門分野の分類処理を終了し
たか否かを調べ（ステップＥ）、専門分野の判定を行っ
ていない文書があればステップＡへ分岐し、そうでなけ
れば、特許文書分類処理を終了する。Finally, the execution control unit 2 checks whether the specialized field classification process has been completed for all patent documents stored in the external storage means 3 (step E), and determines whether the specialized field has been determined. If there is a document, the process branches to step A; otherwise, the patent document classification process ends.
（発明の効果）
以上説明したように、本発明によれば、特許文書の中か
ら専門用語と考えられる単語を検出し、この専門用語候
補と１個以上の専門用語辞書とを、照合して、特許文書
の専門分野を自動的に判定して、外部記憶手段内の所定
の格納先に専門分野別に登録する特許文書分類装置を可
能とし、従来人手によっていた、専門分野に関連する特
許文書を抽出する特許調査作業の作業効率を大幅に改善
することができる。(Effects of the Invention) As explained above, according to the present invention, words that are considered to be technical terms are detected from a patent document, and these technical term candidates are compared with one or more technical term dictionaries. , enables a patent document classification device that automatically determines the specialized field of a patent document and registers it by specialized field in a predetermined storage location in an external storage means. The work efficiency of patent search work to be extracted can be greatly improved.
第１図は本発明による特許文書分類装置のブロック図、
第２図はその動作を示すフローチャート、第３図は特許
文書記憶部に格納された特許文書の例を示す図、第４図
は専門用語候補記憶部に格納された内容の例を示す図、
第５図は専門用語辞書の内容の例を示す図、第６図は専
門分野情報記憶部に格納された内容の例を示す図、第７
図は特許文書格納先テーブルの内容の例を示す図、第８
図は外部記憶手段への特許文書格納状況の例を示す図で
ある。
１・・・入力手段、 ２・・・実行制御部、 ３・・外
部記憶手段、 ４・・・特許文書記憶部、５・・・専門
用語候補記憶部、 ６・・・基本単語辞書、 ７・・
・専門用語候補記憶部、８・・・専門分野判定部、
９・・・専門用語辞書、 １０・・・専門分野情報記憶
部、 １１・・・特許文書格納先判定部、 １２・・・
特許文書格納先テーブル。
特許出願人 松下電器産業株式会社
代 理 人 星 野 恒 同第１図
第２図
第
図
第
図
第
図
第
図
専門１１１結杖楠阜詰〉
機械紡訳樵
かるＡＴ’斐撓艮１
アリ−７り
１Ｊ−門用語酢書に
玖岸傷み有り
０：４内用δ台酵齋）て一致Ａす吉−し第
図
卑門外腎
外！ｔｉｅｒ、’！！士段内特許又番格納先第
図
（特許文書オ杏納刑）
（特ｍ文者ファイルれ）FIG. 1 is a block diagram of a patent document classification device according to the present invention;
FIG. 2 is a flowchart showing the operation, FIG. 3 is a diagram showing an example of a patent document stored in the patent document storage section, and FIG. 4 is a diagram showing an example of the contents stored in the technical term candidate storage section.
FIG. 5 is a diagram showing an example of the contents of the technical term dictionary, FIG. 6 is a diagram showing an example of the contents stored in the specialized field information storage unit, and FIG.
Figure 8 shows an example of the contents of the patent document storage table.
The figure is a diagram showing an example of how patent documents are stored in external storage means. DESCRIPTION OF SYMBOLS 1... Input means, 2... Execution control unit, 3... External storage unit, 4... Patent document storage unit, 5... Technical term candidate storage unit, 6... Basic word dictionary, 7・・・
・Specialized term candidate storage unit, 8...Specialized field determination unit,
9... Technical terminology dictionary, 10... Specialized field information storage section, 11... Patent document storage location determination section, 12...
Patent document storage table. Patent Applicant: Matsushita Electric Industrial Co., Ltd. Agent: Hisashi Hoshino Figure 1 Figure 2 Figure 2 Figure Figure Figure Expertise 111 Kusunoki Kusunoki Translated by Machine Textile Machine Spinning Machine Translation of Woodcutters AT'Hijiranai 1 Ali- 7ri 1J-Month term vinegar book has damage to Kugishi 0:4 internal use δ table fermentation) and matches Asukishi diagram Beimon external renal outside! tier,'! ! Storage location diagram for patents within the Shidan (patent document format) (Special writer file)
Claims (1)
行う入力手段と、特許文書の分類処理の実行を制御する
実行制御部と、複数個の特許文書を記憶する外部記憶手
段と、外部記憶手段より読み込んだ特許文書を記憶する
特許文書記憶部と、特許文書の中から専門用語と考えら
れる単語を検出する専門用語候補検出部と、専門用語候
補検出部が専門用語候補を検出するために参照する一般
的な単語を格納した基本単語辞書と、上記専門用語候補
検出部が出力する専門用語候補を記憶する専門用語候補
記憶部と、専門用語候補記憶部に記憶された専門用語候
補を基に、特許文書がどの専門分野に属するかを判定す
る専門分野判定部と、専門分野判定部が特許文書の専門
分野を判定するために参照する専門分野ごとにそれぞれ
の専門用語を格納した少なくとも１個以上の専門用語辞
書と、上記専門分野判定部が出力する専門分野情報を格
納する専門分野情報記憶部と、上記外部記憶手段への特
許文書の格納先を判定する特許文書格納先判定部と、特
許文書格納先判定部が参照する少なくとも１個以上の専
門分野に対して専門分野と該専門分野に関する特許文書
の外部記憶手段への格納先とを対にして格納した特許文
書格納先テーブルとを設けたことを特徴とする特許文書
分類装置。An input means for inputting characters and giving instructions related to the classification work of patent documents; an execution control section for controlling execution of the classification process of patent documents; an external storage means for storing a plurality of patent documents; and an external storage means a patent document storage unit that stores patent documents read from the patent document; a technical term candidate detection unit that detects words that are considered to be technical terms from the patent document; A basic word dictionary that stores common words to be used; a technical term candidate storage unit that stores technical term candidates output from the technical term candidate detection unit; , a specialized field determination unit that determines which specialized field a patent document belongs to, and at least one unit that stores specialized terms for each specialized field that the specialized field determination unit refers to in order to determine the specialized field of a patent document. The above technical terminology dictionary, a specialized field information storage unit that stores the specialized field information outputted by the specialized field determining unit, and a patent document storage location determining unit that determines a storage location of the patent document in the external storage means; For at least one or more specialized fields referred to by the patent document storage location determination unit, a patent document storage location table is stored in which a specialized field and a storage location in an external storage means of a patent document related to the specialized field are stored as a pair. A patent document classification device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2225589A JPH04106664A (en) | 1990-08-28 | 1990-08-28 | Patent document classifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2225589A JPH04106664A (en) | 1990-08-28 | 1990-08-28 | Patent document classifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04106664A true JPH04106664A (en) | 1992-04-08 |
Family
ID=16831686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2225589A Pending JPH04106664A (en) | 1990-08-28 | 1990-08-28 | Patent document classifying device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04106664A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06103313A (en) * | 1992-09-18 | 1994-04-15 | Hitachi Ltd | Method and device for information processing |
| JPH06251074A (en) * | 1993-02-18 | 1994-09-09 | Roehm Properties Bv | Cd -rom information utilization device |
| JPH07121552A (en) * | 1993-10-27 | 1995-05-12 | Fuji Xerox Co Ltd | Document group analyzing device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02105973A (en) * | 1988-10-14 | 1990-04-18 | Nippon Telegr & Teleph Corp <Ntt> | Automatic classifying device for document |
| JPH02170642A (en) * | 1988-12-22 | 1990-07-02 | Fuji Xerox Co Ltd | Electronic mail system |
| JPH02188873A (en) * | 1989-01-17 | 1990-07-24 | Nec Corp | Document retrieving system |
-
1990
- 1990-08-28 JP JP2225589A patent/JPH04106664A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02105973A (en) * | 1988-10-14 | 1990-04-18 | Nippon Telegr & Teleph Corp <Ntt> | Automatic classifying device for document |
| JPH02170642A (en) * | 1988-12-22 | 1990-07-02 | Fuji Xerox Co Ltd | Electronic mail system |
| JPH02188873A (en) * | 1989-01-17 | 1990-07-24 | Nec Corp | Document retrieving system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06103313A (en) * | 1992-09-18 | 1994-04-15 | Hitachi Ltd | Method and device for information processing |
| JPH06251074A (en) * | 1993-02-18 | 1994-09-09 | Roehm Properties Bv | Cd -rom information utilization device |
| JPH07121552A (en) * | 1993-10-27 | 1995-05-12 | Fuji Xerox Co Ltd | Document group analyzing device |
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