| 10720078 |
Systems and methods for extracting keywords in language learning |
Katharine Nielson, Andrew Paul Breen, Kasey Kirkham |
2020-07-21 |
| 10438509 |
Language learning systems and methods |
Katharine Nielson, Kasey Kirkham, Andrew Paul Breen |
2019-10-08 |
| 10410539 |
Systems and methods for calculating text difficulty |
Katharine Nielson, Kasey Kirkham, Andrew Paul Breen |
2019-09-10 |
| 10325517 |
Systems and methods for extracting keywords in language learning |
Katharine Nielson, Andrew Paul Breen, Kasey Kirkham |
2019-06-18 |
| 10147336 |
Systems and methods for generating distractors in language learning |
Katharine Nielson, Kasey Kirkham, Andrew Paul Breen |
2018-12-04 |
| 9875669 |
Systems and methods for generating distractors in language learning |
Katharine Nielson, Kasey Kirkham, Andrew Paul Breen |
2018-01-23 |
| 9852655 |
Systems and methods for extracting keywords in language learning |
Katharine Nielson, Kasey Kirkham, Andrew Paul Breen |
2017-12-26 |
| 9711064 |
Systems and methods for calculating text difficulty |
Katharine Nielson, Kasey Kirkham, Andrew Paul Breen |
2017-07-18 |
| 9666098 |
Language learning systems and methods |
Katharine Nielson, Kasey Kirkham, Andrew Paul Breen |
2017-05-30 |
| 9262935 |
Systems and methods for extracting keywords in language learning |
Katharine Nielson, Kasey Kirkham, Andrew Paul Breen |
2016-02-16 |