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Custom Search Engine blog

Updates and tips from the Google Custom Search team.

On-Demand Indexing for a fast-moving webNovember 13

Posted by: Tom Duerig and Nicholas Weininger, Software Engineers

Earlier this year when we launched Google Site Search, and AdSense for Search started using the Custom Search platform, we created a special Custom Search Engine (CSE) index for enhanced indexing. Webmasters could submit Sitemaps in Webmaster Tools, and the Custom Search platform indexed URLs from these Sitemaps into a special CSE index for more comprehensive coverage.

This solved an important problem: the need for enhanced index coverage for site search. The special CSE index, in addition to the Google index, enabled us to search deeper on selected sites, providing higher search quality.

Today, with our launch of On-Demand Indexing, we're addressing the need to provide fast indexing for your important, frequently-changing content. On-Demand indexing allows anyone with a Google Custom Search Engine or Google Site Search to identify and tell us about new pages or recent site changes by submitting a Sitemap to our Webmaster Tools. You can then select thisspecificSitemap in the Indexing tab of your CSE control panel and hit the new "Index Now" button. We will immediately schedule the relevant pages for crawling and indexing, and these pages will be included in your search results usually within 24 hours - often much faster.

Knol - now with Custom SearchOctober 30

Posted by: Cedric Dupont, Product Manager

Knol is a project aimed at helping people share their knowledge. Knols (units of knowledge) are authoritative articles written by people about a specific subject, ranging from tooth pain to solar energy to buttermilk pancakes. With all of these knols to browse, our readers have been begging us for a more powerful search tool. Well, today we have good news - we've added the power of Custom Search to Knol.

Custom Search gives us all of the speed and relevance of Google's search technology, but required none of the hard labor that went into making Google search what it is today. With Custom Search, Knol visitors will have a fast search experience that features all of the bells and whistles Google searchers have come to love (including our advanced spell checker). When you search within Knol, the search results look a little different from Web Search results (see this

Synonyms for your Custom Search EngineOctober 3

Posted by: Victor Wang and Bartlomiej Niechwiej, Software Engineers

With our launch of Google Site Search, we added a new feature to the Custom Search platform: custom synonyms. Here's how this feature can be used to improve the quality of your Custom Search Engine (CSE).

How can custom synonyms help?
Synonyms help by finding documents with relevant related terms and ranking them higher. Synonyms can help to alleviate the mismatch that often occurs between the queries that users type, and the actual words, phrases and concepts used in the documents being searched. Custom Search, of course, automatically takes advantage of synonyms used in Google Web search. In addition, Custom Search goes one step further: we allow you to explicitly define custom synonyms that are specific to your web site, community or topic of interest.

To illustrate situations where CSE custom synonyms can help, we created 2 CSEs that both search content from the Palo Alto Medical Foundation (PAMF). The first CSE does not have custom synonyms enabled, while the

Connecting with the Adobe Community with Google Site SearchSeptember 24

Posted by: Tom Duerig, Software Engineer

We love Google Site Search. And when working with our customers, we often discover new and interesting ways to apply our technologies to their business needs.

With Adobe's latest launch of Creative Suite 4, (which includes some of their most popular desktop applications, such as Adobe InDesign, Illustrator, Photoshop, Dreamweaver and Flash), we had the chance to work with their team to integrate Google Site Search into their product in a way that truly blurs the line between off-line and online content.

Adobe is using Google Site Search as part of Creative Suite 4's Community Help to connect suite customers to Help content on and off Adobe.com, including tutorials, technical support, online product help, videos, articles, tips and techniques, blogs, examples and other resources.

In chatting with Adobe Product Manager, Mark Nichoson, we learned that Adobe chose Google Site Search for a variety of reasons. First, we learned that user experience and consistency are essential for Adobe customers. After several studies, the Adobe Creative Suite Team concluded that their customers would use Google Site Search to access information on their products.

At the same time, the nature of Adobe Community Help is to ali

Beefed-up developer guideSeptember 17

Posted by: Kevin Gargoyle Lim, Technical Writer

We've updated the developer guide to include the more advanced Custom Search features, such as synonym expansion and integration with Subscribed Links. These features let you trick out your search engine and give your users a richer search experience. Synonym expansion lets you expand a user's search term (such as "running") to include its variants (such as "jogging" and "sprinting"), so users will not need to search for each variant. Subscribed Links enables you to directly answer your users' questions by promoting a specific result at the top of the results page. You can create your own result text and define sets of queries that would trigger subscribed link results.

The developer guide may not be edge-of-your-seat material, but it does now come with a freebie