[erlang-questions] Re: Conceptual questions on key-value databases for RDBMs users

Ulf Wiger <>
Tue Nov 9 06:19:16 CET 2010

On 8 Nov 2010, at 03:16, Joe Armstrong wrote:

> Does anybody know of any pure-erlang add-ons to ets/dets that do
> full-text indexing?


The rdbms_wsearch*.erl modules.

They were never actually integrated into RDBMS, as they needed a form
of higher-order indexing level (aggregated index). By the time I had figured
out how to do that, I got side-tracked...

The author of the modules is Hans Nilsson, and they implement the 
Porter Stemming algorithm.

Ulf W

Ulf Wiger, CTO, Erlang Solutions, Ltd.

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