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  • Technology

The Language of Compression

This presentation discusses each part of the durable storage stack, from the hardware on up, and how usage numbers can take on different meanings at each layer. It covers  what’s important to know at each layer, and how to think about and talk about concepts like compression, fragmentation, write amplification, and wear leveling. Finally, it examines different ways benchmarketers present data deceptively, and provides some techniques for identifying and cutting through those kinds of misrepresentations.

  • Technology

Principles of REST API Design

The author introduces REST services and details how to design a REST API that is easy and pleasant to use.

  • Markets & Economy

Credit-Implied Volatility

The pricing of corporate credit can be succinctly understood via the credit-implied volatility (CIV) surface.

  • Data Science

Rademacher Averages: Theory and Practice

An overview of Rademacher Averages, a fundamental concept from statistical learning theory that can be used to derive uniform sample-dependent bounds to the deviation of samples averages from their expectations.

  • Data Science

Graph Summarization with Quality Guarantees

Given a large graph, the authors we aim at producing a concise lossy representation (a summary) that can be stored in main memory and used to approximately answer queries about the original graph much faster than by using the exact representation.