The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for Ontologies skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Ontologies over the 3 months to 26 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
26 Mar 2017
Same period 2016 Same period 2015
Ontology
England / London
Rank 557 647 649
Rank change year-on-year +90 +2  
Permanent jobs citing Ontologies 20 9 7
As % of all permanent IT jobs advertised in London 0.060% 0.021% 0.017%
As % of the Processes & Methodologies category 0.067% 0.024% 0.019%
Number of salaries quoted 20 9 6
Median salary £65,000 £57,500 £67,500
Median salary % change year-on-year +13.04% -14.81%  
90% offered a salary of more than £50,000 £45,000 £45,000
10% offered a salary of more than £80,250 £90,000 £91,250
UK excluding London median salary £77,500 £40,000 £32,500
% change year-on-year +93.75% +23.07%  

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

Process & Methodology Skills
London
Permanent job vacancies with a requirement for process and methodology skills 29951 37613 37019
As % of all permanent IT job vacancies advertised in London 90.17% 89.67% 87.64%
Number of salaries quoted 25087 32113 30860
Median salary £60,000 £57,500 £57,500
Median salary % change year-on-year +4.34% -  
90% offered a salary of more than £40,000 £38,879 £37,500
10% offered a salary of more than £85,000 £80,000 £85,000
UK excluding London median salary £45,000 £45,000 £43,000
% change year-on-year - +4.65%  

Ontologies
Job Vacancy Trend in London

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

Job vacancy trend for Ontologies in London

Ontologies
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Ontologies in London.

Salary trend for Ontologies in London

Ontologies
Salary Histogram in London

The salary distribution of IT jobs citing Ontologies in London over the 3 months to 26 March 2017.

Salary histogram for Ontologies in London

Ontologies
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Ontologies within the London region over the 3 months to 26 March 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
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +60 14 £65,000 +13.04%
Ontologies
England

Ontologies
Top 30 Related IT Skills in London

For the 6 months to 26 March 2017, IT jobs citing Ontologies also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for Ontologies.

1 34 (80.95%) Java
2 25 (59.52%) Computer Science
3 24 (57.14%) Degree
4 21 (50.00%) Artificial Intelligence
4 21 (50.00%) Natural Language Processing
5 20 (47.62%) Semantic Web
6 19 (45.24%) NoSQL
6 19 (45.24%) RDF
7 17 (40.48%) Big Data
7 17 (40.48%) Triplestore
8 16 (38.10%) HTML
8 16 (38.10%) Agile Software Development
9 15 (35.71%) SPARQL
10 14 (33.33%) Machine Learning
10 14 (33.33%) Publishing
11 13 (30.95%) Web Development
12 12 (28.57%) HTTP
12 12 (28.57%) RESTful
12 12 (28.57%) Mathematics
13 11 (26.19%) Linked Data
13 11 (26.19%) Apache Jena
13 11 (26.19%) JavaScript
13 11 (26.19%) XSLT
14 10 (23.81%) Spring
14 10 (23.81%) Scala
15 9 (21.43%) Visualisation
15 9 (21.43%) Multithreading
15 9 (21.43%) Algorithms
15 9 (21.43%) Software Engineering
15 9 (21.43%) CSS

Ontologies
Top Related IT Skills in London 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 8 (19.05%) Apache
2 6 (14.29%) Tomcat
3 3 (7.14%) Apache Solr
3 3 (7.14%) Drupal
4 2 (4.76%) Apache Spark
Applications
1 1 (2.38%) XMetaL
Communications & Networking
1 12 (28.57%) HTTP
2 1 (2.38%) Internet
Database & Business Intelligence
1 19 (45.24%) NoSQL
2 17 (40.48%) Big Data
2 17 (40.48%) Triplestore
3 6 (14.29%) Neo4j
4 3 (7.14%) MarkLogic
Development Applications
1 6 (14.29%) Maven
2 3 (7.14%) Subversion
2 3 (7.14%) Team Foundation Server
3 1 (2.38%) Eclipse
General
1 14 (33.33%) Publishing
2 4 (9.52%) Finance
2 4 (9.52%) Legal
2 4 (9.52%) Marketing
3 3 (7.14%) Retail
Job Titles
1 27 (64.29%) Developer
2 12 (28.57%) Java Developer
3 11 (26.19%) Semantic Web Developer
3 11 (26.19%) Web Developer
4 6 (14.29%) Java Engineer
4 6 (14.29%) Java Software Engineer
4 6 (14.29%) Senior Developer
4 6 (14.29%) Senior Java Developer
4 6 (14.29%) Software Engineer
5 4 (9.52%) Architect
5 4 (9.52%) Information Architect
5 4 (9.52%) Java Scala Software Engineer
5 4 (9.52%) Scala Software Engineer
6 3 (7.14%) Artificial Intelligence Developer
6 3 (7.14%) Data Engineer
6 3 (7.14%) Machine Learning Developer
6 3 (7.14%) XML Developer
7 2 (4.76%) Python Software Engineer
8 1 (2.38%) Lead Software Engineer
8 1 (2.38%) Workflow Developer
Libraries, Frameworks & Software Standards
1 21 (50.00%) Natural Language Processing
2 16 (38.10%) HTML
3 12 (28.57%) RESTful
4 11 (26.19%) Apache Jena
4 11 (26.19%) XSLT
5 10 (23.81%) Spring
6 9 (21.43%) CSS
7 7 (16.67%) HTML5
7 7 (16.67%) J2EE
7 7 (16.67%) XML
8 5 (11.90%) REST
9 3 (7.14%) .NET
9 3 (7.14%) jQuery
9 3 (7.14%) Lucene
9 3 (7.14%) Web Services
9 3 (7.14%) XHTML
9 3 (7.14%) XSL
10 2 (4.76%) CoreNLP
11 1 (2.38%) OpenNLP
11 1 (2.38%) XML Schema
Miscellaneous
1 25 (59.52%) Computer Science
2 20 (47.62%) Semantic Web
3 11 (26.19%) Linked Data
4 9 (21.43%) Algorithms
5 6 (14.29%) Kindle
6 4 (9.52%) Analytical Skills
6 4 (9.52%) Data Structures
6 4 (9.52%) Social Media
6 4 (9.52%) Taxonomies
Processes & Methodologies
1 21 (50.00%) Artificial Intelligence
2 19 (45.24%) RDF
3 16 (38.10%) Agile Software Development
4 14 (33.33%) Machine Learning
5 13 (30.95%) Web Development
6 12 (28.57%) Mathematics
7 9 (21.43%) Multithreading
7 9 (21.43%) Software Engineering
7 9 (21.43%) Visualisation
8 8 (19.05%) SDLC
9 7 (16.67%) Microservices
9 7 (16.67%) TDD
10 6 (14.29%) Data Analysis
11 5 (11.90%) Data Integration
12 4 (9.52%) Data Modelling
12 4 (9.52%) Information Architecture
12 4 (9.52%) Information Management
12 4 (9.52%) Logical Data Model
12 4 (9.52%) Physical Data Model
13 3 (7.14%) Bioinformatics
Programming Languages
1 34 (80.95%) Java
2 15 (35.71%) SPARQL
3 11 (26.19%) JavaScript
4 10 (23.81%) Scala
5 7 (16.67%) PHP
6 5 (11.90%) Python
7 3 (7.14%) C#
7 3 (7.14%) C++
7 3 (7.14%) R
7 3 (7.14%) XQuery
8 1 (2.38%) Groovy
8 1 (2.38%) SQL
8 1 (2.38%) VBA
Qualifications
1 24 (57.14%) Degree
2 4 (9.52%) PhD
Quality Assurance & Compliance
1 6 (14.29%) ISO 9001
2 3 (7.14%) SNOMED CT
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