… still enables attackers to deduce some plaintext data mapped … perform range query securely
and efficiently over encrypted … for each spatial data, and then encrypts spatial dataset and …

… To address this issue, we encode the spatial data and geometric range queries into prefix
… of geometric range queries over a spatial database through our spatial data and query …

… In this paper, we first design a Geometric Range Query (GRQ… spatial keyword similarity
search scheme with access control … -L, while our MSSAC enables efficient trapdoor generation …

… And for geometric range query implemented by polynomial fitting … encrypted index ( ˆR-tree)
by using ASPE, which enables secure and efficient range queries over encrypted database. …

… In order to provide secure comparison over encrypted values, we … “Towards efficient
fine-grained access control and trustworthy data … control over encrypted spatial data,” IEEE Trans. …

… range queries, which enable the user to perform geometric range queries with spatial keywords
securely and efficiently … Boolean range query scheme with temporal access control, but …

… Xu et al. investigate data access control [18]. Zhang’s scheme … secure geometric range
queries over encrypted spatial data. … , “Enabling efficient and geometric range query with access …

… of spatial objects or spatial data records and a request range … To enable the verifiability of
spatial range query, VSRQ scheme … leakage function of geometric range queries contains the …

… To achieve efficient geometric range queries over encrypted spatial databases, we encode
the spatial point p as Gray … Lin, “Enabling efficient and geometric range query with access …

… Then, we provide fine-grained and temporal access control in … query over encrypted spatial
data,” in Proc. IEEE Conf. Com… “Enabling efficient spatial keyword queries on encrypted data …