Figure 1
Example of a well-formed relational table.
Figure 2
A sample of Knowledge Graph.
Figure 3
Example of an annotated table.
Table 1
Comparison of semantic table interpretation tools based on key functionalities.
| FUNCTIONALITIES | OPENREFINE | KARMA | TRIFACTA | TABLEMINER+ | ODALIC | ESKAPE | MANTISTABLE | DATAGRAFT | MTAB | MAGIC | SEMTUI | DAGOBAH | MANTISTABLE UI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Import & Export | |||||||||||||
| Import of tables | Y | Y | Y | N | N | Y | Y | Y | Y | Y | Y | Y | Y |
| Import of tables via API | N | Y | Y | N | N | Y | Y | Y | Y | Y | Y | Y | F |
| Import of ontologies | N | Y | N | N | N | – | N | Y | N | N | N | N | O |
| Export mapping | N | Y | N | Y | Y | – | Y | Y | Y | Y | Y | Y | I |
| Export RDF triples | Y | Y | N | Y | Y | – | Y | Y | Y | Y | Y | Y | I |
| Annotation & Assistance | |||||||||||||
| Definition of personalised ontologies | N | N | N | N | N | – | N | Y | N | N | N | N | O |
| Semi-automatic annotation/HITL | N | Y | N | Y | Y | – | Y | N | Y | Y | N | Y | N |
| Annotation suggestions | N | Y | N | N | N | – | Y | Y | N | Y | Y | N | F |
| Auto-complete support | Y | Y | N | N | N | – | Y | Y | N | N | Y | N | F |
| Subject column detection | N | Y | N | Y | Y | – | Y | N | Y | N | Y | Y | O |
| CEA | Y | N | N | Y | Y | – | Y | Y | Y | Y | Y | Y | I |
| CTA | N | N | N | Y | Y | – | Y | Y | Y | Y | Y | Y | I |
| CPA (NE columns) | N | N | N | Y | Y | – | Y | Y | Y | Y | Y | Y | I |
| CPA (LIT columns) | N | N | N | Y | Y | – | Y | Y | Y | Y | Y | Y | I |
| Table management & Visualisation | |||||||||||||
| Table manipulation | Y | Y | Y | N | N | – | Y | Y | N | N | Y | N | N |
| Automatic table extension | Y | N | Y | N | N | – | N | Y | N | Y | Y | N | I |
| Visualisation of annotations | N | N | N | N | N | – | Y | Y | Y | Y | Y | Y | Y |
| Auto-save | Y | Y | Y | N | N | – | N | Y | N | N | N | N | Y |
| Open source & metadata | |||||||||||||
| Open Source | Y | Y | N | Y | Y | – | Y | Y | N | Y | Y | N | Y |
| Release year | 2010 | 2012 | 2012 | 2016 | 2016 | 2017 | 2019 | 2019 | 2021 | 2021 | 2022 | 2022 | 2024 |
[i] Legend: Y = available; N = not available; – = not verifiable. In the “MantisTable UI” column: F = planned future support; I = implemented by the STI approach and visualised in the UI; O = out of scope for the UI.
Table 2
List of requirements for MantisTable UI.
| REQUIREMENTS | MantisTable UI |
|---|---|
| Import of tables | Supported |
| Import of tables via API | Future development (v2.x) |
| Import of ontologies | Not considered as it should be directly integrated into the STI approach |
| Definition of personalised ontologies | Not considered as it should be directly integrated into the STI approach |
| Semi-automatic annotation/HITL | Manual editing of the annotations (future development v1.2) |
| Annotation suggestions | Future development (v1.3) |
| Auto-complete support | Future development (v1.3) |
| Subject column detection | Not considered as it should be handled by the STI approach |
| CEA, CTA, and CPA (NE columns and LIT columns) | Implemented by the STI approach and visualised in MantisTable UI |
| Table manipulation | Not supported |
| Automatic table extension | Implemented via transformation plugins |
| Visualisation of annotations | Supported |
| Auto-save | Supported |
| Export mapping | Implemented via export plugins |
| Export RDF triples | Implemented via export plugins |
Figure 4
MantisTable UI Architecture.
Figure 5
MantisTable UI Landing Page.
Figure 6
MantisTable UI Imported tables – Homepage. Highlight on the “View & Process” button.
Figure 7
MantisTable UI Table import – Homepage.
Figure 8
MantisTable UI View & Process Page. Highlight on some of the CTA, CEA and CPA result icons.
Figure 9
MantisTable UI – “Manage Plugin” option.
Figure 10
MantisTable UI – Plugins list.
Table 3
Task Success Rates scored by the participants.
| # | TASK SUCCESS RATE |
|---|---|
| Task 1 | 100% |
| Task 2 | 81.03% |
| Task 3 | 77.58% |
| Task 4 | 94.82% |
| Task 5 | 86.2% |
| Task 6 | 91.37% |
Figure 11
Difference in task completion time between expert and non-expert users.