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Data Management

What to do with data once you have collected it: cleaning and preprocessing, storage choices, deduplication, and keeping large datasets usable.

12 articles

A man in a canvas apron standing at a stone table in a walled cobbled yard holding up a folded sheet of paper closed with a red wax seal, a dark wooden board propped against the table lettered SLA in cream, with a sack barrow, a coil of rope, a pallet of stacked beige sacks and ivy on the stone walls.

When Your Scraper Becomes a Product: SLAs, Versioning & Data Contracts

Jun 8, 2026 · 6 min read

A smiling shopkeeper in an apron operates a brass balance scale holding a wooden nested drawer cabinet labeled "JSON" on one pan and a uniform grid tray labeled "CSV" on the other, while a large spider sits beside a roll of paper tape on the counter.

JSON vs CSV: Which Is Best for Web Scraping & Data?

Apr 22, 2025 · 4 min read

An elderly shopkeeper in a dark apron and round spectacles stands at a wooden shop counter holding a stick of chalk beside a slate board where the figure "$90" is struck through above a downward arrow pointing to "$30", with spools of punched paper data tape unreeling on the counter beside it.

Lowering Data Collection Costs: Proxy-Friendly Approaches

Apr 14, 2025 · 2 min read

An owl in round spectacles holds a large brass key up to the padlock of a closed riveted iron strongbox at the end of a long counter, along which six brass canisters stand in a row with punched paper tape and a sealed envelope hanging into the mouth of the nearest one.

6 Key Backup Tactics to Protect Sensitive Data

Mar 29, 2025 · 2 min read

A brass robot in a canvas apron holding a mop, a wheeled bucket at its feet, sorts punched cards into an open filing drawer in a lamplit panelled hall, with a junction box on the wall above running cords down to the cabinet.

Janitor AI Explained: A Comprehensive Proxy & Data Guide

Mar 26, 2025 · 4 min read

An elderly shopkeeper in a dark apron stands with both hands raised to his head over an open ledger whose pages are torn and blotted with ink, while coins pour off the counter edge from an overturned cash box onto the floorboards.

The Real Cost of Poor Data

Mar 24, 2025 · 3 min read

A mole in canvas overalls carries a crate of papers up a flight of eight stone steps in a sunlit market square, crates of crumpled loose papers spilling at the foot of the steps and a crate of neatly squared documents standing at the top.

8 Steps to Improve Data Quality for Your Business

Mar 23, 2025 · 5 min read

An owl wearing round glasses stands at a wooden desk using a pair of drafting compasses to measure a thick stack of paper, positioned next to a large brass circular gauge and a framed wall chart showing an upward-trending line graph with an arrow.

Data Quality Metrics: How to Measure and Improve Accuracy

Mar 13, 2025 · 6 min read

An owl wearing round eyeglasses stands in a stone courtyard with outstretched wings between a brass hatch where a gloved hand offers a neatly tied stack of papers and a web between two wooden posts holding caught papers, while holding a golden comb near the web as loose sheets fall into a basket.

API vs. Web Scraping: Right Data Approach for Proxy Users

Mar 11, 2025 · 4 min read

An owl in round spectacles standing on a sunlit stone garden ledge among terracotta flowerpots that run from dry soil with a dead stem, through a small two-leaved seedling, to a bushy plant in full flower, holding the pulled dead stem out in one wing over a wicker trug below, with a cream-painted board lettered DATA in enormous dark-brown capitals leaning against the red brick wall behind and a brass watering can at the far end.

Data Lifecycle Management: A Practical Guide to Data Quality

Feb 8, 2025 · 5 min read

A brass microscope on a workbench with one clean glass slide lit under its lens, beside a stack of smudged and stained slides waiting, in a green-walled room with brushes in a jar and ivy at the window.

5 Data Preprocessing Methods That Improve Analysis

Feb 5, 2025 · 2 min read

A thick block of paper sheets squared up and tied with cloth tape sitting on a windowsill beside a loose sprawling heap of the same sheets, in a pale stone room with roses at the window.

Datasets in Web Scraping: Types, Structure & Real Uses

Feb 2, 2025 · 2 min read

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