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: Paragraph D confirms that developers use "community-moderated verification tiers" to filter unreliable data. 11. testimony / witness
Complete the sentences below. Choose from the passage for each answer. crowdmapping ielts reading answers updated
Despite its undeniable utility, crowdmapping is not without its critics. The most prominent concern relates to data verification. Because information is submitted by anonymous or unverified public users, the potential for misinformation, exaggeration, or deliberate manipulation is high. For instance, during a natural disaster, false reports of flooding could divert emergency services away from areas in genuine need. To combat this, platform developers are increasingly incorporating automated algorithms and community-moderated verification tiers to filter out unreliable data.
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Note: Different test versions exist. Below are the most frequently verified answers for the standard Cambridge IELTS 16 (Test 3) version. testimony / witness Complete the sentences below
: In Question 9, the text says a situation could happen. Do not mistake a writer's hypothetical warning for a confirmed historical fact; this is a classic IELTS trap designed to test your understanding of nuance.
There are other downsides to crowdmapping. According to George Chamales, there are security challenges: it must be ensured that the system stays operational and that the information collated is not misused. Firstly, the lead crowdmap tends to be the one that is set up first and has the most users. Unfortunately, the organisation behind the first crowdmap may not be the best one to manage the complex process of collecting and managing the data. Secondly, there are several platforms for producing crowdmaps including commercial products and open-source projects like Ushahidi. Some have even been developed for a particular crisis such as the nuclear meltdown in Fukushima - all of these have their own disadvantages: commercial software may need to patch bugs in the programme; open source software may overlook security in favour of functionality. The information collected needs to come from trustworthy sources, which are then relied on for more reports; this may make the person sending the report a potential target in war situations. Finally, there is the human element in processing the information, relying on thousands of volunteers to translate, categorise and prioritise the information. There is an obvious risk in giving strangers access to messages generated in dangerous circumstances: messages may be deleted and the sender's identity may be compromised.
However, the technology is not without its . Open-source platforms like Ushahidi have revolutionized the field, but they face significant security risks. In hostile political environments, the very act of reporting can make a volunteer a target, potentially leading to arrest or worse. Experts like George Chamales suggest that the future of this tool depends on establishing strict security standards to protect the brave individuals on the front lines of data collection.
