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Features

  • NLP-Tagger improvements:
    • Extend the VaderSentimentAnalyzer to extract phrases associated with negative or positive sentiment. For more information please refer to this page: NLP Tagger#Sentiment-Analysis.
    • Key-Phrase cleaning (strip determiners).
    • Add a simple Topic Tagger based on key-phrase deduplication and more aggressive cleaning.
    • Add a term/phrase filter step to exclude unwanted Named-Entities or Sentiment-Terms.
    • Extend text-cleaning to remove Emails & HTTP-Links.

  • Update the SVC and the Naive Bayes ML templates from using Bag of Words embeddings to TF-IDF embeddings.

  • Add the ability to apply sentence-level models on PDF documents and potentially get entities (but without highlighting available on the PDF viewer yet).

  • When using the scrolling API, do not scroll on scores but rely on document-index order as is.

  • Show which rerun types are available for a pipeline workflow.

  • Add an endpoint to create a timeline chart based on a facet's count with aggregation on another facet.

Bug Fixes

  • Removed leftovers from prior query-template handling for typeahead - typeahead failed after initial ACL-refactoring.

  • Fix full screen item detail for mobile.

  • Improve the performance of processing PDF documents in the machinelearning service.

  • Fixed issue with downloading attachments without content.

  • Close scroll context after scrolling is done.

  • Fix duplicate test name; Change Percy logging level.

  • Ensure tokens are not included in log files as part of authentication flow.

  • Fix word selection on PDF documents.

  • Fix updates of user profiles.

  • Document level ground truths will not offer word selection anymore.

  • Results per page select should be working now users and AI studio listings.

Known Issues

  • Editing an existing data source may result in some cases to a security-releated error (e.g. It is forbidden to use server files). Two workarounds exist at the moment, and a fix will be available in the next release:
    • Set the configuration option `allowed_server_path_directories` in the section `data_load` of the common.ini file to `/var/lib/squirro/temp`.
    • Or delete the data source and recreate it.

Installation and Upgrade

You will have to resolve at least the following config files when upgrading from Squirro 3.3.0

  • /etc/nginx/conf.d/ssl.inc

  • /etc/squirro/common.ini

For new installations, please follow the Setup on Linux instructions.

To upgrade an existing installation, please consult the Upgrades for Squirro 3.2.0 and later guide.

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