Is NEAR Protocol better than polkadot?

In the ever-evolving world of cryptocurrency and blockchain technology, comparing protocols like NEAR and Polkadot is always an intriguing endeavor. Could you elaborate on the merits and potential advantages of NEAR Protocol over Polkadot? Is NEAR's sharding approach, which aims for scalability and throughput, more effective than Polkadot's heterogeneous multi-chain framework? How do the two protocols compare in terms of decentralization, community support, and the ease of developing on their respective platforms? Furthermore, how do their token economics and governance models differ? Your insights into these aspects would be greatly appreciated.