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Ex-Googler start-ups are coming out of the woodworks. And now there's one more.

Steffen Mueller, an ex-Google product manager from Munich, Germany, has launched his own version of Web search with a dash of the social. Mueller and a few friends from Germany started Topicle, which launched in beta on Monday.

The site lets anyone create or edit their own search engine on any topic--recipes, mortgage news, New York City or even peanut butter. People create a search topic and then choose the Web addresses from which Topicle will search. (Topicle uses Google search APIs to produce its search results.) People can search from one of the preexisting topic search engines, build their own, or rate the domains within an existing topic.

Of course, vertical search engines are nothing new. Sites like Rollyo have been trying to simplify domain-specific search for years; and the major search engines offer similar services for tech-savvy people. Google, for example, runs Google Coop, a service that helps people create a specialized search engine for their Web site. But these services largely haven't gotten off the ground yet.

Mueller said the human element will ultimately improve search, similar to Wikipedia's effect on encyclopedia listings.

"Topicle generates more precise and useful search results with sources recommended by humans, as opposed to sources picked solely by a computer algorithm," said Mueller, who joined Google in early 2004 and worked on various projects including Google Maps and Froogle.

Mueller said Topicle is the first product of his company Zoolium. He did not detail how the company plans to make money. Zoolium is privately funded with $200,000 of Mueller's money.

Nobody wants to spend time scrolling through thousands of search results to find the page that contains the information they're looking for. In fact, few people bother looking beyond the first page of 10 results, choosing instead to recraft their search phrase and try again. But with the help of a few search operators, you can increase substantially the chances that you'll find what you're looking for on your first search try. (Note: not all of these work in every search engine.)

Restating the Obvious Operators
I'll wager you know all about using the plus sign (+) to search for two terms appearing together, the minus sign (-) to find pages that contain one term but not another, the asterisk (*) wildcard to search for a term along with any other word, and quotes ("blah de blah") to find an exact phrase. Here's another search character you might find handy: Place a tilde (~) directly in front of your search term to find pages with words similar to the term in question. So searching ~inexpensive laptop will return pages that have the term "cheap laptop," "affordable laptop," and "low-cost laptop" as well.

Many of my favorite Web sites have terrible site-search boxes. I usually have a much better chance of finding what I'm looking for on the site by going to Google or another search engine, and entering my search term along with site:www.thesitename.com (or .org, .edu, etc.) Here are some of my other favorite search limiters:

define:word to return a definition;
link:url to find pages that contain a link to a specific site or page;
inurl:searchterm (or allinurl:searchterm) to retrieve pages whose URL contains a specific word or phrase;
intitle:searchterm (or allintitle:searchterm the find pages with the word or phrase in their title; and,
info:url (or id:url) to get information about the page.

Javascript Bonus: Curious about when the page you're on was last updated? Just type javascript:alert(document.lastModified) in the address bar and press Enter to see the date and time in a pop-up window.

More Search Helpers
If you're looking for a weather report, simply enter weather place or zip code and press Enter to see the temperature, conditions, and forecast for that locale. To keep adult-oriented content out of the results, use safesearch: searchterm. And to see pages similar to another page, type related: url.

Tomorrow: Five quick-and-easy Microsoft Excel formatting tricks.

As everyone knows, you only get one shot at making a first impression, and my first impression upon visiting Searchles was one of bewilderment. I received a couple e-mails from an employee at Searchles and decided to check out what the site was about. I was greeted with a search box along the top of the screen, and a feed of recent posts running down the left. A listing of groups and tags filled up the rest of the real estate.

Not sure where to begin, I typed Iraq into the search box and returned a query of 3,188 results. The top result was culled from October of last year and the top 10 posts seemed to be all over the map including videos from the Iran-Iraq war. So perhaps the site isn't geared toward current events, but each subsequent search I performed yielded an equally diverse set of posts. The group functionality seemed a bit more utilitarian, but it took some time before I stumbled onto the part of the site where Searchles really does excel.... Read more