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Tax Identification Number (TIN) is a nine-digit number used as a tracking number by the U.S. Internal Revenue Service (IRS) and is required information on all tax returns filed with the IRS.

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traffic network:-Network traffic or data traffic is the amount of data moving across a network at a given point of time. Network data in computer networks is mostly encapsulated in network packets, which provide the load in the network

Triangulated Irregular Network represents a topographic elevation surface by a tessellation of non-overlapping triangles, with elevations at their corners. Three-dimensional visualizations are readily created by the rendering of the triangular facets.

In recommender systems, one of critical tasks is to help users find their interested items among huge amount of items. The development of recommendation methods and techniques has driven many real-world recommendation applications. Desirable recommendations are vital both to the target users and the recommended items. Mining meaningful interest information from different time spans is crucial for recommendation precision. In this paper, the relations between different time spans are adopted to construct the signed networks and imitate users interest changes. First, we initially utilize temporal score information to divide different time spans. Then, the signed networks are formed at different time steps referring to users interest changes.

Humidity and temperature are parameters those are commonly implemented for monitoring tasks, including monitoring within an indoor environment such as a smart home. In this study, we design, develop, and demonstrate the performance of a portable sensor system for indoor environment, which is connected to the smartphone-based user interface for monitoring humidity and temperature. This sensor system consists several components those are packed into a single small box, namely: a Zigbee communication module, STM32L100 microcontroller, DHT11 temperature sensor, BL-5C rechargeable battery, and a charger circuit. The sensor system and the application are then tested to gauge the performance. Based on the test, the system is able to communicate with the smartphone through the host. In addition, based on 24-hour battery testing, the system requires less than 0.53958 watts to operate, thus achieving the low-cost target.

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