The table below looks at the prevalence of the term Ontologies in IT contracts advertised across the UK. Included is a guide to the contractor rates offered in IT contracts that have cited Ontologies over the 3 months to 17 January 2017 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
17 Jan 2017
Same period 2016 Same period 2015
Ontology
UK
Rank 591 598 601
Rank change year-on-year
+7 +3
Contract jobs citing Ontologies 4 20 11
As % of all contract IT jobs located in the UK 0.009% 0.040% 0.022%
As % of the Miscellaneous category 0.027% 0.12% 0.070%
Number of daily rates quoted 4 14 11
Median daily rate £420 £465 £325
Median daily rate % change year-on-year
-9.67% +43.07%
UK excluding London median daily rate £420 £448 £325
% change year-on-year
-6.14% +37.69%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

The following table is for comparison with the above and provides statistics for the entire Miscellaneous category in contract jobs advertised across the UK.

Miscellaneous Category
UK
Contract IT job ads with a match in the
Miscellaneous category
14607 16507 15753
As % of all contract IT jobs located in the UK 32.63% 33.08% 31.58%
Number of daily rates quoted 9315 10460 9901
Median daily rate £445 £425 £415
Median daily rate % change year-on-year
+4.70% +2.40%
90% offered a daily rate of more than £250 £245 £238
10% offered a daily rate of more than £625 £620 £600
UK excluding London median daily rate £394 £375 £365
% change year-on-year
+4.93% +2.73%
Number of hourly rates quoted 550 692 640
Median hourly rate £20.50 £21.50 £17.50
Median hourly rate % change year-on-year
-4.65% +22.85%
90% offered a hourly rate of more than £11.38 £12.50 £11.50
10% offered a hourly rate of more than £46.43 £50.00 £40.00
UK excluding London median hourly rate £18.71 £21.50 £17.50
% change year-on-year
-12.96% +22.85%

Ontologies
Jobs Demand Trend

The demand trend of contract jobs citing Ontologies as a proportion of all IT contracts with a match in the Miscellaneous category.

Ontologies Jobs Demand Trend in the UK

Ontologies
Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing Ontologies within the UK.

Ontologies Daily Rate Trend in the UK

Ontologies
Daily Rate Histogram

This chart provides a histogram of daily rates quoted in contract IT jobs citing Ontologies within the UK over the 3 months to 17 January 2017.

Ontologies Daily Rate Histogram in the UK

Ontologies
Hourly Rate Trend

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing Ontologies within the UK.

Ontologies Hourly Rate Trend in the UK

Ontologies
Top 6 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Ontologies within the UK over the 3 months to 17 January 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England 0 4 £420 -7.94% 7
Bracknell - 3 £420 -
Berkshire - 3 £420 -
South East - 3 £420 -
London +2 1 £263 -54.34% 6
City of London -6 1 £263 -50.00% 2

Ontologies
Top 30 Related IT Skills

For the 6 months to 17 January 2017, IT contractor jobs citing Ontologies also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for Ontologies.

1 22 (52.38%) Data Modelling
2 20 (47.62%) RDF
3 16 (38.10%) Agile Software Development
3 16 (38.10%) NoSQL
4 15 (35.71%) Python
4 15 (35.71%) Java
5 14 (33.33%) Web Services
5 14 (33.33%) XML
6 12 (28.57%) SQL
6 12 (28.57%) SPARQL
7 11 (26.19%) MongoDB
7 11 (26.19%) Data Warehouse
8 10 (23.81%) HTTP
8 10 (23.81%) Data Management
8 10 (23.81%) REST
8 10 (23.81%) Taxonomies
9 9 (21.43%) Data Architecture
9 9 (21.43%) Data Governance
9 9 (21.43%) Open Source
9 9 (21.43%) Linked Data
9 9 (21.43%) Analytical Skills
9 9 (21.43%) Logical Data Model
9 9 (21.43%) Physical Data Model
10 8 (19.05%) Triplestore
10 8 (19.05%) Data Acquisition
10 8 (19.05%) Hadoop
11 7 (16.67%) RESTful
11 7 (16.67%) Semantic Web
11 7 (16.67%) Apache Hive
11 7 (16.67%) HBase

Ontologies
Top Related IT Skills by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 3 (7.14%) Elasticsearch
2 2 (4.76%) Apache Spark
2 2 (4.76%) GlassFish
2 2 (4.76%) Tomcat
3 1 (2.38%) Apache Solr
3 1 (2.38%) CMS
Applications
1 1 (2.38%) Chatbot
Cloud Services
1 2 (4.76%) Amazon AWS
1 2 (4.76%) Amazon Kinesis
2 1 (2.38%) Amazon S3
2 1 (2.38%) Amazon SQS
2 1 (2.38%) Azure Machine Learning
2 1 (2.38%) Microsoft Azure
Communications & Networking
1 10 (23.81%) HTTP
Database & Business Intelligence
1 16 (38.10%) NoSQL
2 11 (26.19%) Data Warehouse
2 11 (26.19%) MongoDB
3 8 (19.05%) Hadoop
3 8 (19.05%) Triplestore
4 7 (16.67%) Apache Hive
4 7 (16.67%) HBase
4 7 (16.67%) PostgreSQL
5 6 (14.29%) GIS
6 5 (11.90%) Neo4j
7 4 (9.52%) MySQL
8 3 (7.14%) Big Data
9 2 (4.76%) Data Mining
9 2 (4.76%) QGIS
9 2 (4.76%) Spatial Data
10 1 (2.38%) Amazon DynamoDB
10 1 (2.38%) Mahout
Development Applications
1 6 (14.29%) Git (software)
2 1 (2.38%) Subversion
General
1 5 (11.90%) Publishing
2 2 (4.76%) Finance
2 2 (4.76%) Legal
2 2 (4.76%) Military
3 1 (2.38%) Advertising
3 1 (2.38%) Banking
3 1 (2.38%) Marketing
Job Titles
1 18 (42.86%) Architect
2 17 (40.48%) Data Architect
3 11 (26.19%) Developer
4 6 (14.29%) Principal Architect
5 5 (11.90%) Domain Architect
5 5 (11.90%) Principal Data Architect
6 4 (9.52%) Data Scientist
6 4 (9.52%) Python Developer
6 4 (9.52%) Senior Developer
6 4 (9.52%) Senior Python Developer
7 3 (7.14%) Project Manager
7 3 (7.14%) Software Developer
8 2 (4.76%) Analyst
8 2 (4.76%) Data Analyst
8 2 (4.76%) Lead Developer
8 2 (4.76%) Semantic Web Developer
8 2 (4.76%) Senior Analyst
8 2 (4.76%) Senior Data Analyst
8 2 (4.76%) Solutions Architect
8 2 (4.76%) Web Developer
Libraries, Frameworks & Software Standards
1 14 (33.33%) Web Services
1 14 (33.33%) XML
2 10 (23.81%) REST
3 7 (16.67%) RESTful
4 5 (11.90%) TensorFlow
5 4 (9.52%) Django
5 4 (9.52%) Flask
5 4 (9.52%) GWT
5 4 (9.52%) JavaFX
5 4 (9.52%) JSON
5 4 (9.52%) Vaadin
6 3 (7.14%) Natural Language Processing
6 3 (7.14%) Spring
7 2 (4.76%) HTML
7 2 (4.76%) J2EE
7 2 (4.76%) PostGIS
7 2 (4.76%) XSD
7 2 (4.76%) XSLT
8 1 (2.38%) .NET
8 1 (2.38%) Lucene
Miscellaneous
1 10 (23.81%) Taxonomies
2 9 (21.43%) Analytical Skills
2 9 (21.43%) Linked Data
3 7 (16.67%) Semantic Web
4 6 (14.29%) Visualisation
5 5 (11.90%) Algorithms
5 5 (11.90%) Neural Network
5 5 (11.90%) Remote Sensing
5 5 (11.90%) Statistics
5 5 (11.90%) W3C
6 4 (9.52%) Artificial Intelligence
6 4 (9.52%) Biology
6 4 (9.52%) User Experience
7 3 (7.14%) Applied Mathematics
7 3 (7.14%) Chemistry
7 3 (7.14%) Life Science
7 3 (7.14%) Mathematics
8 2 (4.76%) Computer Science
8 2 (4.76%) Data Extraction
8 2 (4.76%) Digital Media
Operating Systems
1 1 (2.38%) Linux
1 1 (2.38%) Unix
Processes & Methodologies
1 22 (52.38%) Data Modelling
2 20 (47.62%) RDF
3 16 (38.10%) Agile Software Development
4 10 (23.81%) Data Management
5 9 (21.43%) Data Architecture
5 9 (21.43%) Data Governance
5 9 (21.43%) Logical Data Model
5 9 (21.43%) Open Source
5 9 (21.43%) Physical Data Model
6 8 (19.05%) Data Acquisition
7 7 (16.67%) Machine Learning
8 6 (14.29%) Data Engineering
8 6 (14.29%) TDD
9 5 (11.90%) Analytics
9 5 (11.90%) Spatial Analysis
10 4 (9.52%) Business Transformation
10 4 (9.52%) Deep Learning
10 4 (9.52%) Image Processing
10 4 (9.52%) Microservices
10 4 (9.52%) Scrum
Programming Languages
1 15 (35.71%) Java
1 15 (35.71%) Python
2 12 (28.57%) SPARQL
2 12 (28.57%) SQL
3 2 (4.76%) C++
3 2 (4.76%) Perl
3 2 (4.76%) PHP
3 2 (4.76%) XPath
3 2 (4.76%) XQuery
4 1 (2.38%) C
4 1 (2.38%) JavaScript
4 1 (2.38%) MATLAB
4 1 (2.38%) R
Qualifications
1 5 (11.90%) DV Cleared
1 5 (11.90%) Security Cleared
2 2 (4.76%) Degree
2 2 (4.76%) SC Cleared
3 1 (2.38%) BPSS Clearance
3 1 (2.38%) Postgraduate
Quality Assurance & Compliance
1 6 (14.29%) Dublin Core
2 1 (2.38%) BS7666
2 1 (2.38%) Disclosure Scotland
2 1 (2.38%) QA
System Software
1 6 (14.29%) Docker
Systems Management
1 4 (9.52%) Kibana
Vendors
1 4 (9.52%) Facebook
1 4 (9.52%) Google
2 2 (4.76%) i2