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db4o (database for objects) was an embeddable open-source object database for Java and .NET developers. It was developed, commercially licensed and supported by Actian. In October 2014, Actian declined to continue to actively pursue and promote the commercial db4o product offering for new customers.
History & Products
Explore the main themes, entities and connections around Db4o. Start with the topic map, then use the sections below for research and deeper semantic analysis.
Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the full topic structure. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
See the strongest relationship patterns around the current topic before diving into the raw triples.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Db4o | Developer | Actian | 1.00 | infobox |
| Db4o | License | GNU General Public License (GPL) db4o Opensource Compatibility License (dOCL) Proprietary license | 1.00 | infobox |
| Db4o | Operating system | Cross-platform | 1.00 | infobox |
| Db4o | Stable release | 8.0 | 1.00 | infobox |
| Db4o | Type | Object database | 1.00 | infobox |
| Db4o | Written in | C#, Java | 1.00 | infobox |
| Db4o | related to Client-server mode | Client/server | 0.60 | section |
| Db4o | related to Client-server mode | It | 0.60 | section |
| Db4o | related to Client-server mode | TCP/IP | 0.60 | section |
| Db4o | related to Client-server mode | Communication | 0.60 | section |
| Db4o | related to Client-server mode | Due | 0.60 | section |
| Db4o | related to Client-server mode | Generic Reflection | 0.60 | section |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.