Databaseline is a blog about data, technology, software engineering and architecture, leadership, the music industry, diversity, and stereoscopy by Ian Hellström (he/him/his).
On oracle.rtfd.io, Ian has launched an initiative for developers to learn more about SQL and PL/SQL optimization techniques for Oracle Database, which attracts approximately 10,000 unique visitors each month. It contains more than a hundred pages of high-quality material—for free!
He is the originator of The (Unfortunately Realistic) Rules of Data Quality™:
- Assume nothing.
- Trust no one.
- If no one looks at or uses the data, it’s always rubbish.
- Documentation is either unavailable or almost certainly wrong.
In short, when it comes to data, don’t automatically believe everything you see, read, or hear about it.
Please note that all opinions expressed here or elsewhere are those of the author and they do not necessarily represent the sentiments or opinions of any employer, client, or colleague.
Original research papers Ian Hellström has been involved in are listed in reverse chronological order:
- Technology Diffusion and Its Effects on Social Inequalities, Journal of Macroeconomics (2013).
- Numerics of Spacecraft Dynamics, PhD thesis (2011).
- Creating Variational Integrators with a Computer Algebra System, Albanian Journal of Mathematics (2010).
- VarInt: Variational Integrator Design with Maple, ACM Communications in Computer Algebra (2010).
- Explicit Algorithmic Regularization in the Few-Body Problem for Velocity-Dependent Perturbations, Celestial Mechanics and Dynamical Astronomy (2010).
- Universal Formulation of Quasi-Keplerian Motion, and Its Applications, New Astronomy (2009).
- Satellite Attitude Dynamics and Estimation with The Implicit Midpoint Method, New Astronomy (2009).
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