Information retrieval (IR) has changed considerably in recent years with the expansion of the
World Wide Web and the advent of modern and inexpensive graphical user interfaces and …

In recent years, there is an ever-increasing research focus on Bag-of-Words based near
duplicate visual search paradigm with inverted indexing. One fundamental yet unexploited …

This paper proposes a cache hierarchy that enables Web search engines to efficiently
process user queries. The different caches in the hierarchy are used to store pieces of data …

Similarity search has been proved suitable for searching in large collections of unstructured
data objects. A number of practical index data structures for this purpose have been …

A parallel query processing method is proposed for the design and construction of web
search engines to efficiently deal with dynamic variations in query traffic. The method allows …

This paper proposes a Colored Petri Net model capturing the behaviour of vertical search
engines. In such systems a query submitted by a user goes through different stages and can …

Text search is a classical problem in Computer Science, with many data-intensive
applications. For this problem, suffix arrays are among the most widely known and used data …

This paper proposes using Coloured Petri Nets to model performance of vertical search
engines for Web search. In such systems, queries submitted by users or client systems are …

Capacity planning studies are suitable for supporting decision making in management and
operation of Web search engines deployed on large clusters of processors. Among many …

We present a distributed index data structure and algorithms devised to support parallel
query processing of multimedia content in search engines. We present a comparative study …