JP5243167B2 - 情報検索システム - Google Patents
情報検索システム Download PDFInfo
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- JP5243167B2 JP5243167B2 JP2008249473A JP2008249473A JP5243167B2 JP 5243167 B2 JP5243167 B2 JP 5243167B2 JP 2008249473 A JP2008249473 A JP 2008249473A JP 2008249473 A JP2008249473 A JP 2008249473A JP 5243167 B2 JP5243167 B2 JP 5243167B2
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- 238000000605 extraction Methods 0.000 claims description 50
- 230000014509 gene expression Effects 0.000 claims description 39
- 238000001914 filtration Methods 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 46
- 210000000988 bone and bone Anatomy 0.000 description 20
- 238000000034 method Methods 0.000 description 15
- 238000013518 transcription Methods 0.000 description 14
- 230000035897 transcription Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 12
- 230000006870 function Effects 0.000 description 12
- 230000009466 transformation Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 239000000284 extract Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000017105 transposition Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000012098 association analyses Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/30—Information retrieval; Database structures therefor; File system structures therefor of unstructured textual data
- G06F16/33—Querying
- G06F16/3331—Query processing
- G06F16/334—Query execution
- G06F16/3344—Query execution using natural language analysis
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/242—Query formulation
- G06F16/243—Natural language query formulation
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- General Engineering & Computer Science (AREA)
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- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Description
Claims (4)
- 検索クエリを取得するための第1クエリモジュールと、
前記検索クエリから導出される意味関係を表す少なくとも1つの意味クエリトークンを含む意味クエリキータームを生成するためのクエリキータームモジュールと、
各々が情報パッセージに関連した、1つまたはそれ以上のリファレンスに対して索引化される1つまたはそれ以上の意味索引トークンを含む少なくとも1つの意味索引キータームを備える転置索引にアクセスするための転置索引モジュールと、
前記意味クエリキータームで前記転置索引を照会するための第2クエリモジュールと、
各々が前記意味クエリキータームの前記意味クエリトークンの1つと一致する前記意味索引トークンの少なくとも1つを有する前記意味索引キータームに関連した1組の前記リファレンスを選択するためのリファレンスモジュールと、
を備え、
前記意味索引キータームに関し、
前記情報パッセージ内の単語、またはその単語と言語学的に関連したさらに少なくとも1つの単語を選択する単語選択モジュールと、
前記選択された単語の使われ方に関する言語学的情報として、その単語の品詞、その単語が果たす文法上の役割、及び元の単語との前記意味索引キータームとの関係を決定する情報モジュールと、
前記情報モジュールにより決定された前記個々の言語学的情報を単一の文字列に連結して前記意味索引キータームとして記憶する連結モジュールと、
を含むことを特徴とする情報検索システム。 - 請求項1に記載のシステムにおいて、
さらに、前記1組のリファレンスから1組の候補パッセージを判断するための候補パッセージモジュールを備え、
前記1組のリファレンス内の各リファレンスに関連した前記意味クエリキータームに関連規則を適用するための規則モジュールと、
前記関連規則に基づいて、前記1組のリファレンスに関連した各パッセージについて関連性得点を決定するための得点モジュールと、
前記関連性得点に基づいて、前記1組の候補情報パッセージをフィルタリングするためのフィルタモジュールと、
1組のマッチング候補として前記フィルタリングされた組の候補情報パッセージを戻すためのマッチング候補モジュールと、
を備えることを特徴とする請求項1に記載のシステム。 - 少なくとも1つの意味下部構造を備える前記検索クエリの意味表現を取得するためのクエリ表現モジュールと、
少なくとも1つの意味下部構造を備える前記情報パッセージの意味表現を取得するためのパッセージ表現モジュールと、
前記情報パッセージの少なくとも1つの前記意味表現を前記1組のマッチング候補からの前記マッチング候補の少なくとも1つの前記検索クエリの前記意味表現とマッチングさせるためのマッチングモジュールと、
前記マッチング結果に基づいて前記1組のマッチング候補をフィルタリングするためのマッチングフィルタモジュールと、
前記検索クエリに応答して検索結果セットとして前記フィルタリングされた組のマッチング候補を戻すための検索結果モジュールと、
をさらに備えることを特徴とする請求項2に記載のシステム。 - 前記1組の候補パッセージを決定する工程が、
前記意味クエリトークンの少なくとも1つの抽出重み付けを決定するための重み付けモジュールと、
前記意味クエリトークンに割り当てられた前記抽出重み付けに基づいて、前記1組の候補パッセージを選択するための選択モジュールと、
をさらに備えることを特徴とする請求項2に記載のシステム。
Applications Claiming Priority (2)
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US11/906,363 US8301633B2 (en) | 2007-10-01 | 2007-10-01 | System and method for semantic search |
US11/906,363 | 2007-10-01 |
Publications (2)
Publication Number | Publication Date |
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JP2009087347A JP2009087347A (ja) | 2009-04-23 |
JP5243167B2 true JP5243167B2 (ja) | 2013-07-24 |
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US (3) | US8301633B2 (ja) |
EP (1) | EP2045728A1 (ja) |
JP (1) | JP5243167B2 (ja) |
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