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"semantic web technology" is being used to reconnect colombians displaced in the country's civil conflict. “语义万维网技术”正被用于重新联系上哥伦比亚内部冲突中的失散的人们。 many families end up living on the outskirts of cities such as bogota the international team aim to use smart technology to allow people to search currently 2(不相容的,矛盾的) databases of missing persons. by the end of 2008, it was estimated that there were 4.3 million displaced people in colombia - around 10% of the country's population. the researchers also hope to use online social networks to help unite people. "the displaced population in colombia is the most vulnerable(易受伤害的,有弱点的) because their fundamental rights are massively violated," juan sequeda, who works on the project, told the bbc world service's digital planet programme. "their [physical] social networks are weakened." he believes the online tools can also help rebuild physical relationships. "the displaced population lose their 'social tissue' at the moment they are separated," he said. semantic web many of colombia's displaced people have been caught up in the country's violent conflicts involving armed guerrilla groups or the drug cartels. many have lost all of their assets, 3 and land, ending up in slums outside the cities. often families are split up in the process. when this happens, they are told to register their details on a national database - known as the unique registry of displaced persons - set up by the colombian government. however, other registries have been set up by ngo groups - such as the red cross - meaning the displaced millions are spread over several databases. 4 for those who have lost connection with their families, these databases don't "talk" to each other or share information. so, while one brother may be on one database, the other may be registered elsewhere, reducing their chances of being reunited. this means for many colombians, being displaced from their home can mean losing contact with friends and relatives for years, even if they live in the same city. researchers aim to solve this problem by creating a "semantic knowledge layer", which will link crucial information (such as names, addresses, age, etc.) across all the databases. semantic technology is seen by some as the next step for the world wide web, as it allows a much richer understanding of huge data sets. in colombia, this should mean that searching for specific people will be more effective and allow people to ask complex 5(疑问,质问) such as "how many cousins do i have in bogota?". "it's all about how you integrate data," said mr sequeda. 点击收听单词发音
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