Mindbreeze GmbH, A-4020 Linz, 2017.
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The Mindbreeze InSpire GSA feed adapter makes it possible to index Google Search Appliance feeds with Mindbreeze InSpire.
The feed is an XML file that contains URLs. A feed can also include the contents of the documents, metadata and additional information such as the date of last modification. The XML file must correspond to the pattern defined by gsafeed.dtd. This file is located on the Google Search Appliance at http://< APPLIANCE - Host-Name>:7800/gsafeed.dtd.
The GSA feed XML documents should be sent by an HTTP post request to the GSA feed adapter service port. If the feed has been received and processed successfully, the service sends the text "Success" with the Status 200.
In the Mindbreeze configuration, open the "Indices" tab. Add a new service with the symbol "Add New Service".
Insert the "Display Name" and select the service type "GSAFeedAdapter" from Service Settings:
In the section "Collections" of the GSA feed adapter service configuration, it is possible to define URL groups based on URL patterns. A document can belong to multiple collections, but it is only indexed once per category and category instance.
The names of all collections that contain a document are stored in the metadata "collections".
For documents matching the regular expression in “Enforce Extension from URL if Matches” the extension from the URL is used instead of the “Content-Type” http header.
At least one destination mapping must be defined so that URLs can be indexed in the collections. Click on the icon "Add Composite Property" in the field "Destination Mapping".
Reference one or more collections in the added destination mapping ("Collection Pattern"). You can specify a regular expression here, which fits to the desired collection names
In addition, properties need to be defined for indexing the category and category instance being used. For Web content, for example, the category is "Web". The "Category Instance" can be freely chosen.
Lastly, there is an index URL and a filter URL where the data should be sent.
The setting “Mindbreeze Dispatcher Thread Count” configures the number of threads that send documents to the filter and index service.
If documents are indexed with the GSA facade service, it is possible to define user-customized metadata for documents in several ways:
metadata defined in the feed,
metadata added by the HTTP header,
in the case of HTML documents, user-customized metadata from the content,
robots meta tags.
The metadata defined in the URL records is automatically extracted and indexed. In this example, the metadata "meta-keywords“, “targetgroup“ and “group“ are indexed.
<record url="http://website.mycompany.com/newsletter" action="add" mimetype="text/html" lock="true" crawl-immediately="true">
<meta name="meta-keywords" content="Newsletter, My Company"/>
<meta name="targetgroup" content="fachkunde"/>
<meta name="group" content="public"/>
The metadata of the records is only indexed for the record URLs and not for the subpages.
In addition to metadata from the http records, the metadata is extracted from the X-gsa-external-metadata http header for all URLs. The header contains a comma-separated list of values. All values have the form meta-name=meta-value. The "meta-name" and "meta-value" elements are URL encoded (, Section 2).
The Mindbreeze InSpire GSA Feed Adapter supports ACL-s defined in feeds with the following restrictions:
It is also possible to extract user-customized metadata from the content for HTML documents, similar to the Mindbreeze Web Connector.
As with metadata mapping, it is also possible to define "content extractors" and "metadata extractors" for URL collections.
A content extractor has one collection pattern where a regular expression can be configured. On all URLs from all matching collections, the rules for content and title extraction are applied.
Metadata extractors can also be defined for the collections. Here it is possible to extract user-customized metadata with different formats and formatting options.
The metadata extractors use XPath expressions for extracting textual content. These can then be format-specifically edited, and interpreted, for example, as a date.
The robots meta tag is placed in the <head> section of the corresponding page:
<meta name="robots" content="noindex" />
The Mindbreeze InSpire GSA feed adapter service considers the following robots meta tag values:
noindex: This site is not indexed.
nofollow: The links on this page are not followed.
none: Equivalent to noindex, nofollow.
Click on the "Indices" tab and then click on the "Add new service" symbol to create an index (optional).
Enter the index path (in "Index Path"). If necessary, adjust the display name (in "Display Name") of the index service, the index parameters, and the associated filter service.
To create data sources for an index, under the section "Data Sources", click on "Add new custom source".
A data source should be configured here for all categories that are assigned to this index in the GSA feed adapter service (see Section 1.2). Since the data sources are only used for the search, the crawler should be disabled. To do this, activate the "Advanced Settings" mode and select the option "Disable Crawler" for the configured data sources: