Intent: Get area of research

Lukas Gehrke
2019-02-05T10:59:32+01:00

## Idea

* Retrieve sentences that contain `research_keywords <- c("work", "research", "invent")`

## Results

* Works well with some articles like 46, a lot are bullshit

```
> get_area_of_research(articles$Text[46])
[1] "He is best known for his work in spintronics in semiconductors ."
```