However, challenges and problems on how to allocate spectrum to different secondary users (SU) with unbalanced spectrum resources and user demands in CRNs still exist which attract many attentions in recent research studies.
bTB as a disease is but one important influence on their farming lives – there are competing others which attract their attention and employ their resources, often pushing bTB down the list of priorities, despite its substantial cost to the economy.
The burden falls disproportionately upon poor populations living near open water sources which attract mosquitoes, and who do not have the resources to protect themselves individually though bite prevention methods.
There are tech startups, which attract engineers.
Plants which attract bees often attract hummingbirds and butterflies as well.
Ecosystem level management resulted in anthropogenic landscapes which attracted resources, increased and diversified habitats, and increased productivity.
Taking account of users' preferences on video content, the proposed video adaptation allocates more resources to the video parts which attracts users than the unattractive parts.
But compared to photogenic elephants and rhinos, the poaching of which attracts attention and resources, cycads are poor relations and little is known about the extent of the trafficking or who is fuelling it.
In recent year's IT resources become more powerful, having high processing capabilities and a large amount of storage capacity, which attracts the application developers and service providers to use these resources.
The World Bank developed, with great success, the Global Facility for Disaster Reduction and Recovery (GFDRR), which attracted substantial donor funds and provided guidance and financial resources to support actions and projects by governments, private sector institutions, NGOs, and other stakeholders.
