Mar 20 2013
|Earlier this year, the BBC reported that a new tool had been developed that can reconstruct long-dead languages. Knowing how potentially important the discovery and translation of the Tartessian scripts are (see our earlier posts linked in the Show Notes for CMP 34), we wonder whether this fascinating computer system could be used by University of Aberystwyth to help with the Ancient Britain and the Atlantic Zone project. Tartessian has been put forward as one of the earliest Celtic languages, so a comprehensive understanding of the philology of this ancient language can only be helped by this new development! They say:|
Researchers have created software that can rebuild protolanguages – the ancient tongues from which our modern languages evolved. To test the system, the team took 637 languages currently spoken in Asia and the Pacific and recreated the early language from which they descended.
The work is published in the Proceedings of the National Academy of Science. Currently language reconstructions are carried out by linguists – but the process is slow and labour-intensive.
Dan Klein, an associate professor at the University of California, Berkeley, said:
It’s very time consuming for humans to look at all the data. There are thousands of languages in the world, with thousands of words each, not to mention all of those languages’ ancestors.
It would take hundreds of lifetimes to pore over all those languages, cross-referencing all the different changes that happened across such an expanse of space – and of time. But this is where computers shine.
Languages change gradually over time.
Over thousands of years, tiny variations in the way that we produce sounds have meant that early languages have morphed into many different descendents Dr Klein explains:
These sound changes are almost always regular, with similar words changing in similar ways, so patterns are left that a human or a computer can find.
“The trick is to identify these patterns of change and then to ‘reverse’ them, basically evolving words backwards in time.
Limitations of the Software
The software can churn through large amounts of data quickly, but it does not bring the same degree of accuracy as a linguist’s expertise.
Dr Klein said:
Our system still has shortcomings. For example, it can’t handle morphological changes or re-duplications – how a word like ‘cat’ becomes ‘kitty-cat’.
At a much deeper level, our system doesn’t explain why or how certain changes happened, only that they probably did happen.
While researchers are able to reconstruct languages that date back thousands of years, there is still a question mark over whether it would ever be possible to go even further back to recreate the very first protolanguage from which all others evolved, or whether such a language even exists.
Read the full article on the BBC website.
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