Review on Multiterm Inverted Index

Today, the enterprise landscape faces voluminous amount of data. The information gathered from these data sources are useful for improving on product and services delivery. However, it is challenging to perform searching activities on these data sources because of its unstructured nature, also the traditional solutions only supports single keyword search which perform poorly over unstructured data. Hence to improve the search accuracy and efficiency the searching based on multiple keyword is desirable, in which index entries are stored not only for single term but also for set of terms combination. This technique reduces the overhead for intersecting the inverted lists of keys in multi-term queries, by storing combinations of terms as keys in the index.