Category Data

Yummy 3D plots

Very nice interactive 3D plots with Plotly. import plotly.graph_objects as go import numpy as np import pandas as pd # Read data from a csv Z = pd.read_csv('https://raw.githubusercontent.com/plotly/datasets/master/api_docs/mt_bruno_elevation.csv').values # Actually not necessary to provide X and Y… X = np.linspace(0,…

How to scrape images from the web

I’m interested in object detection and other computer vision tasks. For example, I’m working on a teddy-bear detector with my son. So, how do you quickly download images for a certain category? You can use this approach that I learned…

How to get structured Wikipedia data via DBPedia

Wikipedia contains a wealth of knowledge. While some of that knowledge consists of natural language descriptions, a rich share of information on Wikipedia is encoded in machine-readable format, such as infoboxes and other specially formatted parts. An infobox is rendered…

Linked Data: First Blood

Knowing a lot about something, makes me more prone to appraising its value. I unfortunately know very little about Linked data. For this reason, I’ve had a very biased and shamefully low opinion about the concept of linked data. I’ve…

Finding the haystack

Indtil denne sommer troede mange, at de kendte til sandheden om, at det er svært at finde nålen i høstakken. Kun de færreste vidste, at man har vendt ordsproget på hovedet i efterretningsverdenen. Her siger man, at »for at finde…

Free map tiles

Map Tile Sources Here is a list of free sources for map tiles. I’ll expand this list as I find more free tiles. Notice that some websites require an attribution. I’ll perhaps update this post with the attribution line for…