Palo Alto based startup SearchMe has kept a low profile since being founded in March 2005. The company, which has 17 employees and raised $5 million from Sequoia Capital over two rounds, will launch a number of what founder Randy Adams calls “long tail search engines” in the near future. The first product they are launching is WikiSeek, which went live about an hour ago and will be officially announced on Wednesday.WikiSeek is a search engine that has indexed only Wikipedia sites, plus sites that are linked to from Wikipedia. It serves two purposes. First, it is a much better Wikipedia search engine than the one on Wikipedia (and has been built with Wikipedia’s assistance and permission). Second, the fact that it also indexes sites that are linked to from Wikipedia means that, presumably, it will return only very high quality results and very little spam. It won’t show every relevant result to a query, but it will certainly give a good overview of a subject without all the mess.The search results also include a tag cloud which contains Wikipedia categories containing the search term. Results can be quickly filtered by clicking on one of those categories (see screen shot, click for larger view). The first three results of a query are always Wikipedia content (unless there are not three results) and are shaded blue. The remaining results are below the shaded area...