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ICICLES: Self-tuning Samples for Approximate Query Answering By Venkatesh Ganti , Mong Li Lee, and Raghu Ramakrishna

ICICLES: Self-tuning Samples for Approximate Query Answering By Venkatesh Ganti , Mong Li Lee, and Raghu Ramakrishna

ICICLES: Self-tuning Samples for Approximate Query Answering By Venkatesh Ganti , Mong Li Lee, and Raghu Ramakrishnan. Harikrishnan Karunakaran Sulabha Balan. CSE 6339 . Outline. Introduction Icicles Icicle Maintenance Icicle-Based Estimators Quality & Performance Conclusion.

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441 views • 30 slides
CONGRESSIONAL SAMPLES FOR APPROXIMATE ANSWERING OF GROUP-BY QUERIES Swarup Acharya

CONGRESSIONAL SAMPLES FOR APPROXIMATE ANSWERING OF GROUP-BY QUERIES Swarup Acharya

CONGRESSIONAL SAMPLES FOR APPROXIMATE ANSWERING OF GROUP-BY QUERIES Swarup Acharya Phillip Gibbons Viswanath Poosala ( Information Sciences Research Center, Bell Labs, New Jersey ) Divya Rao. Outline. Introduction Background Aqua System Problem Formulation Solutions

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414 views • 29 slides
CONGRESSIONAL SAMPLES FOR APPROXIMATE ANSWERING OF GROUP BY QUERIES

CONGRESSIONAL SAMPLES FOR APPROXIMATE ANSWERING OF GROUP BY QUERIES

CONGRESSIONAL SAMPLES FOR APPROXIMATE ANSWERING OF GROUP BY QUERIES Swaroop Acharya,Philip B Gibbons, VishwanathPoosala By Agasthya Padisala Anusha Reddy Rachapalli Muni. OUTLINE: 1.INTRODUCTION 2.AQUA SYSTEM 3.REQUIREMENTS ON GROUP BY ANSWERS 4.SOLUTIONS 5.REWRITING 6.EXPERIMENTS

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362 views • 25 slides
Query Sampling in DB2

Query Sampling in DB2

Query Sampling in DB2. Motivation. Data volume is growing fast Many algorithms do not scale up with data volume For exploratory analysis users often want just approximate answers. Solution: Sampling. Processing less data => huge performance improvement Approximate answers often suffice.

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211 views • 12 slides
Query Sampling in DB2

Query Sampling in DB2

Query Sampling in DB2. Motivation. Data volume is growing fast Many algorithms do not scale up with data volume For exploratory analysis users often want just approximate answers. Solution: Sampling. Processing less data => huge performance improvement Approximate answers often suffice.

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188 views • 12 slides
Query Sampling in DB2

Query Sampling in DB2

Query Sampling in DB2. Motivation. Data volume is growing fast Many algorithms do not scale up with data volume For exploratory analysis users often want just approximate answers. Solution: Sampling. Processing less data => huge performance improvement Approximate answers often suffice.

★ ★ ★ ★ ★

187 views • 12 slides
Query Sampling in DB2

Query Sampling in DB2

Query Sampling in DB2. Motivation. Data volume is growing fast Many algorithms do not scale up with data volume For exploratory analysis users often want just approximate answers. Solution: Sampling. Processing less data => huge performance improvement Approximate answers often suffice.

★ ★ ★ ★ ★

176 views • 12 slides
Query Sampling in DB2

Query Sampling in DB2

Query Sampling in DB2. Motivation. Data volume is growing fast Many algorithms do not scale up with data volume For exploratory analysis users often want just approximate answers. Solution: Sampling. Processing less data => huge performance improvement Approximate answers often suffice.

★ ★ ★ ★ ★

124 views • 12 slides

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