Better still start here: http://en.wikipedia.org/wiki/Inverted_index
http://nlp.stanford.edu/IR-book/html/htmledition/a-first-take-at-building-an-inverted-index-1.html And there are several books on search engines and related algorithms. On Tue, May 28, 2013 at 10:41 PM, Alexandre Rafalovitch <arafa...@gmail.com>wrote: > And you need to know this why? > > If you are really trying to understand how this all works under the > covers, you need to look at Lucene's inverted index as a start. Start > here: > http://lucene.apache.org/core/4_3_0/core/org/apache/lucene/codecs/lucene42/package-summary.html#package_description > > Might take you a couple of weeks to put it all together. > > Or you could try asking the actual business-level question that you > need an answer to. :-) > > Regards, > Alex. > Personal blog: http://blog.outerthoughts.com/ > LinkedIn: http://www.linkedin.com/in/alexandrerafalovitch > - Time is the quality of nature that keeps events from happening all > at once. Lately, it doesn't seem to be working. (Anonymous - via GTD > book) > > > On Tue, May 28, 2013 at 10:13 PM, Kamal Palei <palei.ka...@gmail.com> > wrote: > > Dear All > > I have a basic doubt how the data is stored in apache solr indexes. > > > > Say I have thousand registered users in my site. Lets say I want to store > > skills of each users as a multivalued string index. > > > > Say > > user 1 has skill set - Java, MySql, PHP > > user 2 has skill set - C++, MySql, PHP > > user 3 has skill set - Java, Android, iOS > > ... so on > > > > You can see user 1 and 2 has two common skills that is MySql and PHP > > In an actual case there might be millions of repetition of words. > > > > Now question is, does apache solr stores them as just words, OR converts > > each words to an unique number and stores the number only. > > > > Best Regards > > Kamal > > Net Cloud Systems > > Bangalore, India >
