Documentation: Application Development

How to Change Connections at Runtime with Export and Import

If you have an application that uses the Import and Export operators, you might want to change the export properties or import subscription. This...

Automatic Fusion and Threading

IBM Streams 4.2 introduces two new features designed to make it easier to attain high performance: automatic submission time fusion and the automatic threading model....

Video: Creating SPL applications from ODM Business Rules

Watch this video to learn how to use the rules compiler to generate Streams operators and types from business rules.

Real time text analysis using Streams, Part 2: Updating dictionaries and tables

This article will highlight some new features in the Text toolkit in Streams 4.2. It will show how to update resources used...

How to classify text using the IBM Streams Natual Language Processing (NLP) Toolkit LinearClassification operator?

The goal of statistical classification is to use an object's characteristics to identify which class (or group) it belongs to. Such classifiers work well for...

How to extract text using the IBMStreams Natural Language Processing (NLP) Toolkit RutaText operator?

Text extraction is one means to get insights to unstructured data like text or speech transformed into text. There are different methods to write text...

Rules based processing in real-time streaming applications

Introduction In IBM Streams 4.2, we have added support for authoring rules compatible with the Operational Decision Manager (ODM) product in Streams Studio, converting them...

IBM Streams Network Toolkit Overview

IBM Streams 4.2 brings many exciting new capabilities to the customer especially in the area of specialized toolkit. One of the new toolkits that was...

Cybersecurity Toolkit – What’s New!

Cybersecurity Toolkit – What’s New! The Cybersecurity Toolkit provides operators that are capable of analyzing DNS response records. The operators in this toolkit use machine...

Introducing the JSON Toolkit

With the increasing popularity of cloud-based solutions, the JSON format is becoming ever more ingrained in our applications. Take for example IBM Bluemix. Many of...

Real-Time Decomposition of Time Series

The STD2 operator is capable of performing online decomposition of a time series. More specifically, the STD2 operator is capable of ingesting a time series...

Getting your SPL application ready for the cloud

This article describes SPL application constructs and patterns that may function differently in the cloud, and provides advice on how to make SPL applications that...

Using the Modify Operator to Reduce Copying

This post explains how you can use the new Modify operator to optimize your application by reducing tuple copying.

An Introduction to Streaming Telecommunications Event Data Analytics (TEDA)

An introduction into Telecommunications Event Data Analytics that accelerates the development of mediation applications.

Example: Calling the Streams REST APIs from a script using CORS

With Streams 4.1, cross-origin resource sharing (CORS) support was added to the REST APIs providing a new, easier way for direct access from trusted scripts....