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Voyager Server and Vose

Voyager is releasing both Voyager 2.0 with significant search improvements and Vose 1.0, a new set of solutions that greatly expand Voyager Server's capabilities and functions. Vose and Voyager Server complement each other and make analysis of huge data sets possible, but before describing how Voyager Server and Vose function together, it is useful to take a look at what Voyager Server is and what it does.

Voyager Server

Voyager Server itself is straightforward in design and capabilities. It's numerous functions include:

  • Overseeing Discovery and Indexing 
  • Displaying Search results in Navigo
  • Providing analysis through the Analytics function
  • Adding additional data manipulation tools through the Processing framework

A simple schematic diagram might look like the following:

New in Voyager 2.0

Voyager Server 2.0 has many enhancements, making searching smarter and easier to use.  They include:

  • Entity Extraction
    Voyager can use NLP (Natural Language Processing) to identify key terms that can be used to group related items in taxonomies, filters or geotags
  • Query Expansion
    Widens a query to find more, related records
  • Find Similar
    Finds different documents similar to the one you speify
  • Did you mean?
    Suggests spelling corrections for query terms you enters

Vose

Vose is Voyager's newest product, consisting of 

  • HQ, a central control panel for searching and administration
  • Distributed Indexing Agents, which an replace or augment existing indexing nodes
  • The Flex Index, based on SolrCloud, comes with built-in fail-over and load-balancing. Index data is organized into multiple logical pieces, or shards, that can be hosted on multiple machines. 

In addition, Vose has enhanced some of the features found in Voyager Server:

  • The set of Connectors is expanded and connectors are highly extensible
  • Working with Pipelines is streamlined and more intuitive, making it easier to enrich your data by adding tags, geotagging, normalizing metadata and more

Voyager Server and Vose

Vose takes on the tasks of Discovery and Indexing, but is designed to work in concert with Voyager Server, which displays search result and provides access to Analytics and the Management UI.

Voyager Server is still available as a stand-alone installation, but Vose is the key to analyzing larger data sets faster with more reliability. While Voyager Server does best with data sets that contain up to 10 million records. Vose, with the distributed Flex Index, can scale up to billions of records.

There are several ways to deploy Vose along with Voyager Server, depending on whether Voyager's embedded index or the Flex Index is used.

Deploying Vose Using the Embedded Index

The first adds HQ and Agents, but retains the built in (embedded) index of Voyager Server. This lets HQ and Agents increase indexing capabilities without having to move to a new index. In this scenario, Discovery and Indexing are directed by HQ via Agents; Voyager Server adds Navigo for displaying Search results, Analytics and the Management UI.

Deploying Vose Using the Flex Index

When the Flex Index is deployed, Voyager can accomodate huge datasets, up to billions of records. In this case, HQ manages Discovery, Indexing and the Flex Index. Voyager Server continues to proved functionality as in the example above.

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