1. BEGIN three databases--4,6,35--Inspec, NTIS and Dissertation Abstracts Online. These files provide different approaches to the topic.

?b 4,6,35 

SYSTEM:OS  - DIALOG OneSearch
  File   4:INSPEC 1983-2008/Apr W3
         (c) 2008 Institution of Electrical Engineers
  File   6:NTIS 1964-2008/Jun W1
         (c) 2008 NTIS, Intl Cpyrght All Rights Res
  File  35:Dissertation Abs Online 1861-2008/Nov
         (c) 2008 ProQuest Info&Learning

2. SELECT keywords that describe the topic.

     Set  Items  Description
      ---  -----  -----------
?s data or video? or signal? or image? or speech
         2425733  DATA
          149029  VIDEO?
          712709  SIGNAL?
          608771  IMAGE?
           96880  SPEECH
      S1 3445449  DATA OR VIDEO? OR SIGNAL? OR IMAGE? OR SPEECH

?s compres? or quanti?
          214229  COMPRES?
          539057  QUANTI?
      S2  736382  COMPRES? OR QUANTI?

?s  fourier
              S3  134940  FOURIER

3. Combine the sets. For this search we will find records in which the data set (S1) is one word from the compression set (S2) and in the same article as the word fourier.

4. Limit the search to the latest two years to see who is currently working on this technology.

?s  s1(1n)s2 and s3
          3445449  S1
           736382  S2
            66122  S1(1N)S2
           134940  S3 
      S4     1377  S1(1N)S2 AND S3

?s s4/2007:2008
            1377   S4
          645616  PY=2007 : PY=2008
      S5      79  S4/2007:2008

5. RANK corporate source (CS) to list the sites from most published to least in continuous format (CONT) which also lists percents (PERCENT).

The corporate source field provides the author's affiliation too.

Note: Remove duplicates (RD) was not used because of the disparity of the databases searched.

6. Follow the RANK menu by entering the number of entries you want to see and adding a title to the RANKed list.

Note: You can VIEW entries from the ranked list or save entries.

To continue searching, type Exit to leave the RANK menu.

?rank cs cont percent

Started processing RANK
Processing    500 of   1377 records
Processing   1000 of   1377 records
Completed Ranking 1377 records

Press ENTER to view the TOP 50 terms
   or enter a number N to view the top N terms
   or >N to view terms with more than N items
   or enter ALL to view all terms

?15

Enter title for continuous output or press ENTER for current 
title option
?research sites

Adding title to results...
RESEARCH SITES
--------------

RANK: S5/1-79   Field: CS=  File(s): 4,6,35
(Rank fields found in 77 records -- 78 unique terms)

RANK No.  Items  %Ranked  Term
--------  -----  -------  ----
  1        2    02.6%  HUAZHONG UNIV. OF SCI. & TECHNOL., WUHAN, CHIN
  2        1    01.3%  AUBURN UNIVERSITY
  3        1    01.3%  BAICHENG NORMAL COLL., BAICHENG, CHINA
  4        1    01.3%  BEN GURION UNIV. OF THE NEGEV, BEER-SHEVA, ISR
  5        1    01.3%  BEN-GURION UNIV. OF THE NEGEV, BEER-SHEVA, ISR
  6        1    01.3%  BIRKBECK COLL., LONDON UNIV., UK
  7        1    01.3%  CENTAR, LOS ANGELES, CA, USA
  8        1    01.3%  CHAIN FOR GEN. MATER. SCI., CHRISTIAN-ALBRECHT
  9        1    01.3%  COLL. OF INF. SCI. & TECHNOL., NANJING UNIV. O
 10        1    01.3%  COLL. OF PRINTING & PUBLISHING, SHANGHAI UNIV.
 11        1    01.3%  DEPT. OF COMPUT. SCI., SUNY FREDONIA, NY, USA
 12        1    01.3%  DEPT. OF ELECTR. & COMPUT. ENG., CALIFORNIA UN
 13        1    01.3%  DEPT. OF ELECTR. & COMPUT. ENG., ILLINOIS UNIV
 14        1    01.3%  DEPT. OF ELECTR. & COMPUT. ENG., RICE UNIV., H
 15        1    01.3%  DEPT. OF ELECTR. & COMPUT. ENG., ROCHESTER UNI

           ---end of results---

P =  next page      Pn = Jump to page n
P- = previous page  M =  More Options     Exit = Leave RANK

?exit

RANK results will be erased; have you saved all the terms of 
interest?(YES/NO)

?y
      Exiting...  (no terms were saved)