Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: An Efficient Indexing and Searching Technique for Information Retrieval
  for Urdu Language   Indexing techniques are used to improve retrieval of data in response to
certain search condition. Inverted files are mostly used for creating indexes.
This paper proposes indexing technique for Urdu language. Language processing
step in Index creation is different for a particular language. We discuss index
creation steps specifically for Urdu language. We explore morphological rules
for Urdu language and implement these rules to create Urdu stemmer. We
implement our proposed technique with different implementations and compare
results. We suggest that indexes should be created without stop words and also
index file should be an order index file.

24
The categories of this paper are: dg-ga
32
The categories of this paper are: atom-ph
10
The categories of this paper are: q-bio
36
The categories of this paper are: cmp-lg
7
The categories of this paper are: hep-th
0
The categories of this paper are: hep-ph
22
The categories of this paper are: chao-dyn
27
The categories of this paper are: comp-gas
11
The categories of this paper are: hep-lat
2
The categories of this paper are: math
31
The categories of this paper are: ao-sci
8
The categories of this paper are: hep-ex
28
The categories of this paper are: alg-geom
19
The categories of this paper are: eess
23
The categories of this paper are: solv-int
18
The categories of this paper are: econ