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Gutschriften

AskRobots is built on open data and open-source software made by many other people. This page credits them and gives their licences. Listing a source here doesn't mean it endorses AskRobots.

Data

Lists and datasets that help us decide what to crawl, how to rank it and how to read it.

Tranco: A research list of popular websites: which well-known sites to crawl first and how much.; Credit: Victor Le Pochat, Tom Van Goethem, Samaneh Tajalizadehkhoob, Maciej Korczyński and Wouter Joosen. "Tranco: A Research-Oriented Top Sites Ranking Hardened Against Manipulation." NDSS 2019.; Tranco asks users of the list to cite this paper.
Majestic Million: Sites ranked by the links pointing to them: one of our site-importance signals.; Licence: CC BY 3.0 · Credit: Majestic Million by Majestic
Chrome UX Report (CrUX): Which sites Chrome users visit most, in rank groups: a site-importance signal.; Licence: CC BY 4.0 · Credit: CrUX datasets by Google
Common Crawl web graph: Link-based site rankings (harmonic centrality and PageRank): a site-importance signal.; Licence: Common Crawl terms of use · Credit: Common Crawl
Wikipedia external links: How often English Wikipedia articles link to a site (counts only, no article text).; Licence: Wikimedia dumps licensing · Credit: Wikipedia, from the Wikimedia dumps
Wikidata: The official websites of well-known organisations, and their names.; Licence: CC0 1.0 (public domain) · Credit: Wikidata; No credit is required; we give it gladly.
DMOZ, the Open Directory Project: Titles and descriptions of sites we have not visited yet, and the start of our topic directory. The directory closed in 2017; its listings are from 1998 to 2017.; Credit: DMOZ, the Open Directory Project
Public Suffix List: Telling a site apart from the domain it sits under (lib.example.edu belongs to example.edu).; Licence: MPL 2.0 · Credit: Public Suffix List (Mozilla)
fastText language identification (lid.176): Recognising the language of each page we index.; Licence: CC BY-SA 3.0 · Credit: Armand Joulin, Edouard Grave, Piotr Bojanowski and Tomas Mikolov. "Bag of Tricks for Efficient Text Classification." 2016.; A model published by Facebook AI Research (Meta). We use it as published; we do not change or share it.
CMU Pronouncing Dictionary: How words sound, for "Did you mean" spelling suggestions.; Licence: BSD-style · Credit: Carnegie Mellon University
Peter Norvig's English word counts: How common each English word is, for spelling suggestions (counts from the Google Web Trillion Word Corpus).; Credit: Peter Norvig, norvig.com/ngrams
english-words: A list of English words for spelling suggestions.; Licence: Unlicense (public domain) · Credit: dwyl/english-words
Webster's Second International word list: More English words for spelling suggestions.; Licence: Public domain · Credit: Webster's Second International Dictionary (1934)

Local results

The Houston businesses the search engine shows above some results.

OpenStreetMap: Businesses and places in the Houston area: names, kinds, addresses, opening hours and websites (the Texas extract from Geofabrik).; Licence: ODbL 1.0 · Credit: © OpenStreetMap contributors; The place data we derive from OpenStreetMap stays under the ODbL 1.0. Ask us for a copy.
Texas Department of Licensing and Regulation (TDLR): Which Houston-area companies hold an active state licence (for example A/C contractors and electricians), from the TDLR list on the Texas Open Data Portal.; Credit: Texas Department of Licensing and Regulation; Public information; no licence stated. Check any licence on TDLR's own license search before relying on it.
Texas State Board of Plumbing Examiners (TSBPE): Which Houston-area plumbing companies hold an active licence, from the board's free licensee list.; Credit: Texas State Board of Plumbing Examiners; Public information; no licence stated. The board lists it as current to the previous work day, without guarantees.

Quick answers

Sources of the short answers shown above the results.

National Weather Service: Current conditions and forecasts for US places.; Licence: Public domain (US government work) · Credit: Forecast from the National Weather Service
US Census Bureau Gazetteer files: Finding US cities, towns and ZIP codes on the map (with Census population estimates to pick the likely place).; Licence: Public domain (US government work) · Credit: US Census Bureau
Wiktionary: Word definitions.; Licence: CC BY-SA 4.0 · Credit: From Wiktionary, the free dictionary; Definitions we show from Wiktionary are shared under CC BY-SA 4.0 as well.

Ads and accounts

Data askrobots.com itself uses to place ads and to keep the billing rules.

US Census Bureau 2024 Gazetteer files: US cities, towns and ZIP codes with a point inside each, so an advertiser can show an ad near a place they type.; Licence: Public domain (US government work) · Credit: US Census Bureau
MaxMind GeoLite (GeoLite2 City): Your US state, and roughly where you are, from your network address: for the states where we can't take payments yet, and for ads shown in a state or near a place. Looked up on our own server for each request and never stored.; Licence: CC BY-SA 4.0 (GeoLite End User License Agreement) · Credit: This product includes GeoLite Data created by MaxMind, available from https://www.maxmind.com.
Hosting providers' address lists: The address ranges that Amazon Web Services, Google Cloud, Oracle Cloud, DigitalOcean, Linode, Hetzner and Vultr publish for their servers, fetched weekly: a click on an ad from one of them is a machine's, never charged.; Each provider publishes its own list for anyone to use.

Software

Open-source software AskRobots runs on. Thank you to everyone who makes it.

Python: The language AskRobots is written in.; Licence: PSF License
PostgreSQL: Our databases.; Licence: PostgreSQL License
PgBouncer: Database connection pooling.; Licence: ISC License
Tantivy: The search engine's full-text index.; Licence: MIT License
Flask: The search engine's web application.; Licence: BSD-3-Clause
Gunicorn: Serves the web applications.; Licence: MIT License
nginx: The web server in front of the search engine.; Licence: BSD-2-Clause
fastText: Runs the language identification model.; Licence: MIT License
Django: The askrobots.com web application.; Licence: BSD-3-Clause
Django REST framework: askrobots.com's API.; Licence: BSD-3-Clause
django-allauth: Accounts and signing in.; Licence: MIT License
Celery: Work done in the background.; Licence: BSD-3-Clause
Redis: Queues and short-lived counts.
htmx: Loads parts of a page after it opens.; Licence: BSD-2-Clause
Bootstrap: Page layout and styles.; Licence: MIT License

Fonts and icons

Newsreader: Headings. By Production Type.; Licence: SIL Open Font License 1.1 · Credit: Copyright 2020 The Newsreader Project Authors
Font Awesome Free: Icons in the workspace.; Licence: Icons CC BY 4.0, fonts SIL OFL 1.1, code MIT · Credit: Font Awesome Free by Fonticons, Inc.

KI

Some search features, such as the summaries beside the results and related searches, are written by open-weight language models that run on our own hardware. No search is sent to an outside AI service.

In the workspace, the AI features you choose to use (such as help with a task, or writing and image tools) send what you give them to outside AI providers. The privacy policy names them.

Something missing?

If we use your work and haven't credited it properly, please contact us or write to dan@askrobots.com and we'll fix it. More about us: About AskRobots.