JP5090054B2 - 多経路データ・ストリーム相関をスケーラブルに処理するためのシステムおよび方法 - Google Patents
多経路データ・ストリーム相関をスケーラブルに処理するためのシステムおよび方法 Download PDFInfo
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- JP5090054B2 JP5090054B2 JP2007120460A JP2007120460A JP5090054B2 JP 5090054 B2 JP5090054 B2 JP 5090054B2 JP 2007120460 A JP2007120460 A JP 2007120460A JP 2007120460 A JP2007120460 A JP 2007120460A JP 5090054 B2 JP5090054 B2 JP 5090054B2
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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
- G06F16/245—Query processing
- G06F16/2455—Query execution
- G06F16/24568—Data stream processing; Continuous queries
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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
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/903—Querying
- G06F16/90335—Query processing
- G06F16/90344—Query processing by using string matching techniques
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S707/00—Data processing: database and file management or data structures
- Y10S707/99941—Database schema or data structure
- Y10S707/99944—Object-oriented database structure
- Y10S707/99945—Object-oriented database structure processing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S707/00—Data processing: database and file management or data structures
- Y10S707/99941—Database schema or data structure
- Y10S707/99948—Application of database or data structure, e.g. distributed, multimedia, or image
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Description
以前の相関タプルの配置に基づいて、タプルsiおよびすべての中間結合結果
wi=ω1ΦCPU+ω2・Φmemory+ω3・Φbandwidth
この式で
オリジナルの結合オペレータ
argminjの最小値、
オリジナルの結合オペレータ
選択および説明されたものである。
312 株式分析
320 TVニュース
322 MPEG4デマルチプレクサ
324 イメージ分析
326 音声テキスト
328 テキスト分析
330 ラジオ
332 音声テキスト
334 テキスト分析
340 多経路ストリーム結合
350 相関結果
Claims (8)
- 多経路ストリーム結合の処理をコンピュータで実施するための方法であって、
複数の入力ストリームを受信するステップと、
データフロー速度が最高の前記入力ストリームをマスタ・ストリームとして選択するステップと、
タイム・スタンプに従って他の前記入力ストリームのタプルを前記マスタ・ストリームのタプルと整列させるステップと、
全ての前記入力ストリームを複数のセグメントに連続的に分割するステップであって、各セグメントは、所定の時間間隔内に到着した整列されたタプルを含む、ステップと、
前記セグメントの各々を、ストリーム結合処理のために異なるホストに送信するステップであって、前記ストリーム結合処理は、前記整列されたタプルを用いて実行されるステップと、を含む方法。 - 多経路ストリーム結合の処理をコンピュータで実施するための方法であって、
複数の入力ストリームを受信するステップと、
データフロー速度が最高の前記入力ストリームをマスタ・ストリームとして選択するステップと、
タイム・スタンプに従って他の前記入力ストリームのタプルを前記マスタ・ストリームのタプルと整列させるステップと、
全ての前記入力ストリームを複数のセグメントに連続的に分割するステップであって、各セグメントは、所定の時間間隔内に到着した整列されたタプルを含む、ステップと、
前記整列されたタプルを含む前記各セグメントに関するルーティング・パスを決定するステップと、
前記ルーティング・パスに基づいて、前記セグメントの各々を、ストリーム結合処理のために異なるホストに送信するステップであって、前記整列されたタプルが個々に前記異なるホストにルーティングされ、前記ストリーム結合処理は、前記整列されたタプルを用いて実行されるステップと、を含む方法。 - 前記入力ストリームをマスタ・ストリームとして選択するステップは、前記マスタ・ストリームのデータフロー速度が任意の他のストリームよりも遅くなることに応答して、データフロー速度が最高の入力ストリームを新たにマスタ・ストリームとして選択することを含む、請求項1または2に記載の方法。
- 前記多経路ストリーム結合が、前記所定の時間間隔内に到着した整列されたタプルにおけるスライディング・ウィンドウ結合によって実施される、請求項1〜3のいずれか1項に記載の方法。
- 前記ルーティング・パスを決定するステップは、前記異なるホストの作業負荷が平均化されること、および前記複数のセグメントの複製オーバヘッドを最小化することを保証するために、前記ルーティング・パスを計算するステップを含む、請求項2に記載の方法。
- 前記入力ストリームをマスタ・ストリームとして選択するステップは、
前記マスタ・ストリームとして選択されない他の前記入力ストリームをスレーブ・ストリームとして示すステップと、
前記マスタ・ストリームを非結合セグメントに区分するステップと、
前記スレーブ・ストリームを重複セグメントに区分するステップと、を含む請求項1〜5のいずれか1項に記載の方法。 - 前記マスタ・ストリームを非結合セグメントに区分するステップが、前記非結合セグメントのセグメント長さを調整するためのステップであり、
システム条件が変更された場合に、セグメント適応を起動するステップと、
新しいセグメント長さを探索するためにサンプリング・ベースのプロファイリング・プロセスを実行するステップと、をさらに有する、請求項6に記載の方法。 - 請求項1〜7のいずれか1項に記載の方法の各ステップをコンピュータに実行させる
ためのコンピュータ・プログラム。
Applications Claiming Priority (2)
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US11/417838 | 2006-05-04 | ||
US11/417,838 US7548937B2 (en) | 2006-05-04 | 2006-05-04 | System and method for scalable processing of multi-way data stream correlations |
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JP2007299406A JP2007299406A (ja) | 2007-11-15 |
JP5090054B2 true JP5090054B2 (ja) | 2012-12-05 |
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JP (1) | JP5090054B2 (ja) |
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CN101067792A (zh) | 2007-11-07 |
CN100549963C (zh) | 2009-10-14 |
US20070288635A1 (en) | 2007-12-13 |
US7548937B2 (en) | 2009-06-16 |
US7890649B2 (en) | 2011-02-15 |
JP2007299406A (ja) | 2007-11-15 |
US20090248749A1 (en) | 2009-10-01 |
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