Posts Tagged ‘search’

Content Detection, Metadata and Content Extraction with Apache Tika

Sunday, December 2nd, 2012

Encountering the situation that you want to extract meta-data or content from a file – might it be an office document, a spreadsheet or even a mp3 or an image – or you’d like to detect the content type for a given file then Apache Tika might be a helpful tool for you.

Apache Tika supports a variety of document formats and has a nice, extendable parser and detection API with a lot of built-in parsers available.

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Lucene Snippets: Index Stats

Saturday, September 8th, 2012

In Lucene 4.x there is an API to fetch index statistics for specific document’s fields.

The following examples shows how to create an index with some random documents and fetch some statistics for a field afterwards ..

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Lucene Snippets: Faceting Search

Tuesday, August 28th, 2012

The latest snippet from my Lucene examples demonstrates how to achieve a facet search using the Lucene 4.0 API and how easy it is to define multiple category paths to aggregate search results for different possible facets.

In the following example we’re indexing some books as a classical example and create multiple category paths for author, publication date and category afterwards ..

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Hibernate Search Faceting: Discrete and Range Faceting by Example

Monday, March 26th, 2012

In today’s tutorial we’re exploring the world of faceted searches like the one we’re used to see when we’re searching for an item on Amazon.com or other websites. We’re using Hibernate Search here that offers an API to perform discrete as well as range faceted searches on our persisted data.

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Extending the Confluence Search Index

Sunday, May 23rd, 2010

Developing plugins for the Confluence Wiki a developer sometimes needs to save additional metadata to a page object using Bandana or the ContentPropertyManager. Wouldn’t it be nice if this metadata was available in the built-in Lucene index?

That is were the Confluence Extractor Module comes into play..

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How to build a quick lucene search

Thursday, March 25th, 2010

Helo – today I wanted to post a small tutorial for a small index and search operation using the Lucene indexer and Maven for the project setup. (more…)

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