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Window query - PowerPoint PPT Presentation

Proof-Infused Streams: Authenticating Sliding Window Queries on Data Streams

Proof-Infused Streams: Authenticating Sliding Window Queries on Data Streams

Proof-Infused Streams: Authenticating Sliding Window Queries on Data Streams. Feifei Li, Florida State University Ke Yi, Hong Kong University of Science & Technology Marios Hadjieleftheriou , AT&T Labs Research George Kollios , Boston University.

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682 views • 50 slides
Object Relational Model Spatial Queries

Object Relational Model Spatial Queries

Object Relational Model Spatial Queries. Spatial Layer Data. Secondary Filter Spatial Functions. Primary Filter Spatial Index. Reduced Data Set. Table where coordinates are stored. Index retrieves area of interest (window). Procedures that determine exact relationship.

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388 views • 23 slides
Making the Pyramid Technique Robust to Query Types and Workloads

Making the Pyramid Technique Robust to Query Types and Workloads

Making the Pyramid Technique Robust to Query Types and Workloads. Rui Zhang, Beng Chin Ooi, Kian-Lee Tan Department of Computer Science National University of Singapore Singapore. Outline. Backgrounds Existing work and limitations Our proposal: The P + -tree Experimental results

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334 views • 23 slides
Making the Pyramid Technique Robust to Query Types and Workloads

Making the Pyramid Technique Robust to Query Types and Workloads

Making the Pyramid Technique Robust to Query Types and Workloads. Rui Zhang, Beng Chin Ooi, Kian-Lee Tan Department of Computer Science National University of Singapore Singapore. Outline. Backgrounds Existing work and limitations Our proposal: The P + -tree Experimental results

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294 views • 23 slides

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