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A DAY IN THE LIFE OF WEB SEARCHING(AN EXPLORATORY STUDY)

By ,Hari Krishna .PSrinivasulu .B

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Web se arching be havior is important

Basis of comparativ e tim e b ased web stu d y Fin d s

1) Fluctuations in Web use r be havior ov e r th e d ay.

2) Us e r inv e stigations of qu e ry r e sults ar e much high e r inmorning.

3) Qu e ry Charact e ristics, inclu d ing t e rms p e r qu e ry an d qu e ry r e formulation, st e ad y throughout th e d ay.

(US- b ased Excit e and Norw e gian- b ased fast w eb se arch logs)

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Web Se arch e ngin e s ar e on e of th e most fr e qu e ntly us ed toolsto r e trie ve information.

Tim e b ased analysis of s e arch qu e rie s inv e stigat e s Web

use r be havior with r e spe ct to d iff e r e nt hours of th e d ay.

Tim e b ased analysis woul d e nhanc e use r-ori e nted se le ctionof a d ve rtis e me nts, promotions, e tc..

Se arch qu e rie s ar e mor e b usin e ss ori e nted in th e morninghours an d r e cr e ation ori e nted in th e e ve ning hours.

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Th e EXCITE S e arch Engin e (www. e xcit e .com) provi ded se t of

1.7 million qu e rie s from that using poison sampling s e le cted

3188 qu e rie s from 1064 us e rs. Th e se qu e rie s su b mitt ed b/ w

9:00 AM until 5:00 PM on D e ce m be r 20,1999.

Th e fast s e arch e ngin e (www.allth e web .com) provi ded a qu e ry

a se t of 12 lacks from that using poison sampling s e le cted

10,007 qu e rie s from 964 us e rs. Th e se qu e rie s ar e su b mitt ed b/ w

12:00 AM on F eb ruary 6 an d 12:00 AM F eb 7,2001.

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Qu e ry analysis e mphasiz e s th e following conc e pts :

Qu e ry: A s e t of on e or mor e se arch t e rms

Se ssion: Th e e ntir e se t of qu e rie s b y th e sam e use r ov e r tim e

Te rm: Un b rok e n string of alphanum e ric charact e rs

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Results of Analysis are devided into three parts

i) Technical Characteristics

ii) Analysis of search Terms

iii) Markov Analysis of Excite Queries

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i) Technical Characteristics :

a) User session and Query Analysis

b) Session and Query duration Analysis

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a) User Session and Query Arrivals :

Excit e Qu e ry S e t:

The me an qu e rie s pe r us e r se ssion was 2.9.

Th e me an qu e rie s p e r Excit e use r se ssion de cr e ased from 3.9aroun d 9:00 AM to 2.22 aroun d 4:00 PM. D e cr e ased me anqu e rie s pe r us e r se ssion a b out 43.09%.

Th e que ry arrivals p e r hour also de cr e ase s sharply from 679aroun d 9:00 AM to 224 aroun d 5:00 PM ± a b out 67.01%

De cr e ase in th e num be r of s e ssion arrivals from 174 aroun d

9:00 AM to 101 aroun d 5:00 PM± a b out 42.3%.( Th e se r e sults t e lls w eb se arching high in morning lat e r de cr e ase s

to th e e ve ning )

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Fast Qu e ry S e t:

Th e me an qu e rie s pe r se ssion throughout th e d ay was10.3.

Th e num be r of qu e rie s an d se ssions ar e at quit e a low

Th e num be r of qu e rie s incr e ase s as high as 789 with 57 s e ssionsd uring th e morning hours. Aft e r morning th e que ry an d

se ssion arrivals de cr e ase s significantly, a b out 30-40%d own to aroun d 500 qu e rie s pe r 5 0 s e ssions p e r hour aroun d 2:00 PM.

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b ) S e ssion an d Qu e ry Duration Analysis :

Excit e Qu e ry S e t :

Excit e se ssion d urations de clin e sharply from 3988 aroun d 9:00 am to328.4aroun d 5:00 pm ± a b out 91.7% - as th e d ay progr e sse s.

Excit e qu e ry d urations also d isplay th e strong t e nde ncy to de clin e from 979.2 to 138.8-± a b out 85.8%- as th e d ay progr e sse s.

In b oth s e ssion an d qu e ry s e ssion d uration d iminish e s de pe nd ing onthe tim e of th e d ay with that w e can com e to know w eb se arching ishigh at morning de cr e ase s as th e d ay progr e sse s.

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Fast Qu e ry S e t :

Th e me an Fast s e ssion d uration throughout th e d ay was 8238.9 for 903 s e ssions.

Th e me an qu e ry d uration throughout th e d ay was 827.7 for 9037

In Morning 1000-1500 s e con d s for qu e rie s d uration an d 10,000-15,000 s e con d s for s e ssions d uration an d in th e Ev e ning tim e se ssion d urations only r e aching 3000-4000 s e con d s an d qu e ryd urations 300 - 500 s e con d s.

This is a de cr e ase aroun d 70% for qu e ry an d se ssion d urations withthat w e can com e to know w eb se arching is high at morningde cr e ase s as th e d ay progr e sse s.

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