2.4.7. Ziptoss

As a recent example of public data use, Ziptoss has become popular as an on- and offline-owned real estate brokerage service without fees. As one of its advantages, if the customer receives information directly from the landlord and makes the quality of the information transparent, and a customer makes an online inquiry, there is no fee for anyone who connects to a direct store to obtain a room, and only the person who sells the product is charged a fee. Ziptoss operates the building register, road name address information Supreme Court, land use regulation system, and road condition public data to receive 2.4.7. Ziptoss

efficiency.

information about the building and information related to the rent, building price, and actual trading price. Data map. Figure 2 shows the market price and market strength through the Big Data map provided by the apartment acquaintances [18].

**Figure 2.** Analysis of big data area provided by the real estate *aptgin* Gangnam-gu system. **Figure 2.** Analysis of big data area provided by the real estate *aptgin* Gangnam-gu system.
