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About - Pilosa
On HN:

“Technically, it is very interesting -- it uses Roaring Bitmaps under the hood and builds a query engine on it. So an easy way to think about it is that it maps categorical data into a giant compressible distributed bitmap.
I've been planning to see if I can (mis)use it as an OLAP replacement but I haven't had time to get to it.”

“You definitely can... the feature set keeps growing. We have multi-field filtered GROUP BY now. It's amazing to see how flexible Roaring Bitmaps can be!”

“Pilosa is best used in conjunction with something like Kafka with (e.g.) separate consumers for Pilosa and a persistent data store.”

“I appreciate how they developed a query language that is more code-like than SQL but still basically declarative and parsimonious.”
Example: Sum(Row(Car-Make="Ford"), field=Age)
roaring_bitmaps  bitmaps  olap  go  kafka  business_intelligence 
14 days ago by Sylphe
cwida/duckdb: DuckDB is an embeddable SQL OLAP Database Management System
The README looks very interesting. This project seems to be a good place to look at if I were to build an OLAP system.
olap  duckdb  sql  business_intelligence 
14 days ago by Sylphe
Metabase
“Metabase is the easy, open source way for everyone in your company to ask questions and learn from data.”

An Open Source BIME.
bime  metabase  sql  dashboard  business_intelligence  clojure 
5 weeks ago by Sylphe
Common BI stacks
Description of a number of startup's BI (Business Intelligence) stacks from HN
business_intelligence 
7 weeks ago by nalderfe
shzlw/poli: An easy-to-use SQL reporting application built for SQL lovers. Power data analysis in SQL and gain faster business insights.
An easy-to-use SQL reporting application built for SQL lovers. Power data analysis in SQL and gain faster business insights. - shzlw/poli
sql  business_intelligence  bi  dashboard  analytics 
july 2019 by mac
North Data | Smart Research
North Data ermittelt Wirtschaftsinformationen durch Analyse von Firmenveröffentlichungen mit Methoden aus Big Data und Machine Intelligence.
business_research  business_directory  database  analysis  business_intelligence  germany  reporting 
july 2019 by gryphonent

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