The following table provides summary statistics for contract job vacancies advertised in England with a requirement for Ontologies skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Ontologies over the 3 months to 27 June 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Ontology
UK / England
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 586 620 618
Rank change year-on-year +34 -2  
Contract jobs citing Ontologies 15 3 8
As % of all contract IT jobs advertised in England 0.035% 0.006% 0.016%
As % of the Processes & Methodologies category 0.041% 0.007% 0.020%
Number of daily rates quoted 13 0 5
Median daily rate £625 - £500
UK excluding London median daily rate £626 - £500
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Ontologies is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in England with a requirement for process and methodology skills.

Contract Process & Methodology Skills
England
Contract job vacancies with a requirement for process and methodology skills 36629 41404 40602
As % of all contract IT job vacancies advertised in England 84.70% 83.49% 80.85%
Number of daily rates quoted 24036 27790 26591
Median daily rate £450 £450 £415
Median daily rate % change year-on-year - +8.43%  
90% offered a daily rate of more than £313 £300 £288
10% offered a daily rate of more than £600 £600 £588
UK excluding London median daily rate £415 £400 £385
% change year-on-year +3.75% +3.89%  
Number of hourly rates quoted 948 977 1113
Median hourly rate £32.00 £27.50 £26.00
Median hourly rate % change year-on-year +16.36% +5.76%  
90% offered a hourly rate of more than £12.81 £12.58 £12.00
10% offered a hourly rate of more than £52.50 £48.00 £50.00
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

Ontologies
Job Vacancy Trend in England

The job posting trend of jobs advertised in England citing Ontologies as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Ontologies in England

Ontologies
Contractor Daily Rate Trend in England

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

Contractor daily rate trend for Ontologies in England

Ontologies
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing Ontologies in England over the 3 months to 27 June 2017.

Contractor daily rate histogram for Ontologies in England

Ontologies
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Ontologies within the England region over the 3 months to 27 June 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
London +12 11 £625 -
West Midlands - 3 £638 -
Ontologies
UK

For the 6 months to 27 June 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 across the England region with a requirement for Ontologies.

1 11 (47.83%) Machine Learning
2 10 (43.48%) Natural Language Processing
3 9 (39.13%) Big Data
3 9 (39.13%) Apache Spark
3 9 (39.13%) Finance
3 9 (39.13%) Banking
3 9 (39.13%) SPARQL
3 9 (39.13%) Hadoop
4 8 (34.78%) IBM
5 7 (30.43%) Apache
5 7 (30.43%) Content Management
5 7 (30.43%) Agile Software Development
6 6 (26.09%) Taxonomies
6 6 (26.09%) Stakeholder Management
6 6 (26.09%) Information Retrieval
7 5 (21.74%) Coaching
7 5 (21.74%) Analytics
7 5 (21.74%) Big Data Analytics
7 5 (21.74%) Data Analytics
7 5 (21.74%) Apache Solr
7 5 (21.74%) Apache Cassandra
7 5 (21.74%) Semantic Search
7 5 (21.74%) Cognitive Computing
7 5 (21.74%) Tandem
7 5 (21.74%) Data Modelling
7 5 (21.74%) SPSS
7 5 (21.74%) MATLAB
7 5 (21.74%) Lucene
7 5 (21.74%) Artificial Intelligence
8 4 (17.39%) Information Management

Ontologies
Co-occurring IT Skills in England 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 9 (39.13%) Apache Spark
2 7 (30.43%) Apache
3 5 (21.74%) Apache Solr
4 4 (17.39%) SAS
5 3 (13.04%) SharePoint
Applications
1 5 (21.74%) SPSS
2 1 (4.35%) Microsoft Excel
2 1 (4.35%) Microsoft PowerPoint
Cloud Services
1 1 (4.35%) Google Cloud Platform
Database & Business Intelligence
1 9 (39.13%) Big Data
1 9 (39.13%) Hadoop
2 5 (21.74%) Apache Cassandra
3 4 (17.39%) Mahout
4 1 (4.35%) NoSQL
General
1 9 (39.13%) Banking
1 9 (39.13%) Finance
2 2 (8.70%) Investment Banking
3 1 (4.35%) Financial Institution
3 1 (4.35%) Games
Job Titles
1 12 (52.17%) Architect
2 5 (21.74%) Data Architect
3 4 (17.39%) Lead Architect
4 3 (13.04%) Development Manager
4 3 (13.04%) Project Manager
5 2 (8.70%) Agile Delivery Manager
5 2 (8.70%) Agile Development Manager
5 2 (8.70%) Artificial Intelligence Architect
5 2 (8.70%) Delivery Manager
5 2 (8.70%) Payments Architect
5 2 (8.70%) Senior Architect
6 1 (4.35%) Big Data Architect
6 1 (4.35%) Big Data Manager
6 1 (4.35%) Developer
6 1 (4.35%) Functional Architect
6 1 (4.35%) IT Architect
6 1 (4.35%) IT Director
6 1 (4.35%) Java Development Manager
6 1 (4.35%) Python Developer
6 1 (4.35%) Senior Data Modeller
Libraries, Frameworks & Software Standards
1 10 (43.48%) Natural Language Processing
2 5 (21.74%) Lucene
3 4 (17.39%) MLlib
3 4 (17.39%) UIMA
4 1 (4.35%) RESTful
4 1 (4.35%) XSD
Miscellaneous
1 6 (26.09%) Taxonomies
2 5 (21.74%) Tandem
3 4 (17.39%) Management Information System
4 3 (13.04%) Life Science
5 2 (8.70%) Equities
5 2 (8.70%) Foreign Exchange (FX)
5 2 (8.70%) Linked Data
6 1 (4.35%) Online Banking
6 1 (4.35%) Reference Data
Processes & Methodologies
1 11 (47.83%) Machine Learning
2 7 (30.43%) Agile Software Development
2 7 (30.43%) Content Management
3 6 (26.09%) Information Retrieval
3 6 (26.09%) Stakeholder Management
4 5 (21.74%) Analytics
4 5 (21.74%) Artificial Intelligence
4 5 (21.74%) Big Data Analytics
4 5 (21.74%) Coaching
4 5 (21.74%) Cognitive Computing
4 5 (21.74%) Data Analytics
4 5 (21.74%) Data Modelling
4 5 (21.74%) Semantic Search
5 4 (17.39%) Business Analytics
5 4 (17.39%) CRM
5 4 (17.39%) Data Architecture
5 4 (17.39%) Data Management
5 4 (17.39%) Information Management
5 4 (17.39%) Open Source
5 4 (17.39%) RDF
Programming Languages
1 9 (39.13%) SPARQL
2 5 (21.74%) MATLAB
3 4 (17.39%) R
4 2 (8.70%) Java
5 1 (4.35%) Python
5 1 (4.35%) Scala
Quality Assurance & Compliance
1 3 (13.04%) ISO 20022
2 2 (8.70%) MiFID
3 1 (4.35%) Basel III
3 1 (4.35%) CRD IV
3 1 (4.35%) IFRS
System Software
1 1 (4.35%) Docker
Systems Management
1 1 (4.35%) Kubernetes
Vendors
1 8 (34.78%) IBM
2 1 (4.35%) Google