FreeLemonade Overview

Overview and Background

Search engines are effective for many uses, but they abandon users half the time, when the user is exploring rather than just searching.  Freelemonade is an exploration engine designed to provide support for those exploring a particular subject area.

The technology underlying Freelemonade challenges the most basic assumptions held by major search engines.  We aim initially to help those with medical needs.  Innovative technology differentiating Freelemonade is patent pending.

Basic Problem and Need

  • 50% of queries are exploration or investigation with no search engine support
  • Users don't know what to ask or what they want to find - that's the definition of exploration. 
  • The search query is a puzzle during exploration - users don't know what to put in the search box.

What is it? What does it do?

  • Helps with queries, shows what to put in the search box
  • Finds guaranteed meaningful terms to add to your search
  • Widens and narrows searches at the same time
  • Finds query-relevant vocabulary user can click on-no typing
  • Creates a table of contents for every search; a table of contents feature for the web
  • Automatically finds the intro, overview, tutorial, and survey articles on your topic
  • Creates vertical search engines automatically
  • Speaks the lingo of the query-shows relevant vocabulary for every query
  • Generates the on-line equivalent of a back of book index
  • Generates buzzwords for any query


  • Strategic software takes search to a new level
  • A radical new paradigm for search - a game changer, quantum, not incremental innovation
  • Turns the search space inside out and upside down widening and narrowing searches at once
  • Ultra simple minimalist user interface: one button in a search engine, two in a browser extension
  • Fundamental, powerful  ideas make a difference
  • Proprietary patent pending technology based on original unpublished research

Statistics and Research

  • 25% of queries are undirected, i.e. users are exploring and don't know what they are looking for
  • 25% of queries are informational
  • For all queries (navigational, informational, resource seeking) users don't know what to put in the query
  • When queries are directed toward a specific result, users often shift to undirected exploration

Microsoft and the Future of Search

  • Nadella: There's plenty of room for improvement in search, because 40% of search queries "go unanswered"
  • 45% of search queries last longer than 20 minutes
  • 50% of queries are searchers returning to previous tasks

Academic Research (Jansen, Booth, and Spink 2007)

  • Large majority of queries are informational
  • 1/5 of queries have complex intent or are not classifiable
  • Among the classified 2/3 to 4/5 are informational,  not navigational (to particular web sites) or transactional (i.e. engaging specific functionality)
  • These informational queries are the  primary focus
  • Our methods are for the queries, in excess of 50%, for which there is no technology or support  (approximately: 6/30 not understood + 11/30 half of informational = 17/30).
  •  This is the primary market research for the search of the future

Breadth, Scope & Scalability

  • Extensible beyond the medical domain to all subject areas
  • Coverage is selectable on an editorial basis
  • New domain coverage is full automated from an editorial seed
  • Generates focused vertical search modules
  • Simple architecture scaled by adding commodity PCs



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