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楼主 |
发表于 2008-3-18 13:10:54
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你好,这是我现在正在写着的程序,以上问题就在其中,请多指教
: c* F! M. t3 U3 ^/ [! V I% g2 iglobals[5 g2 a0 ?) m, l" J& @4 H
xmax6 c6 x: _ [1 J" o$ K
ymax3 O- [, A& ~7 p( `
global-reputation-list
6 o4 Z7 s' @6 q- r- [
+ |2 }# v9 {! o( R" J: x1 J' o;;每一个turtle的全局声誉都存在此LIST中
7 O& ^% Y d, w. z% M! q+ ncredibility-list3 E5 G7 u1 Y/ n5 O3 I
;;每一个turtle的评价可信度, m" z% e4 a; r. f
honest-service
' M0 Y- K" W& y8 z4 a' Hunhonest-service$ a9 A7 p3 ]3 W2 G/ R0 @9 ^% y$ Y
oscillation
: R% Q# |4 U9 R' _/ ]; orand-dynamic2 ^& Y) m8 g# Z
]4 t8 L9 W' u* I7 B. {
% G! P# }, I- `1 i" K9 M Z
turtles-own[
* h2 [, {7 ~! c, B; btrade-record-all
" p, T7 c+ S. b; F" z;;a list of lists,由trade-record-one组成+ q# d4 o4 v2 D+ t+ ~
trade-record-one O7 E. s9 D6 [% S
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
K5 g5 r2 D. J4 A7 b
7 a" d- |$ j- f9 J9 m. K3 k;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]
: |" j( C6 b( Rtrade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]
8 c" I- C. C8 ]* xcredibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list; k# N9 G% S* r# y6 C
neighbor-total' B1 I4 D6 m1 s1 q v: T# Q
;;记录该turtle的邻居节点的数目4 [5 ]4 V$ m8 b' M! A: n
trade-time
! |) [% d) Y1 {5 ?! P5 _7 C;;当前发生交易的turtle的交易时间9 g% _4 {" b. F
appraise-give
3 ]6 p2 h* T" R1 w% _$ J w;;当前发生交易时给出的评价
7 V! H# t* g5 q' U4 n2 c' \" ~appraise-receive4 x7 d; _ m7 f) L) X
;;当前发生交易时收到的评价
2 a0 s$ O+ I8 X& ~$ A" K7 {/ Eappraise-time
( ^1 s# [. s8 c+ i0 h9 r;;当前发生交易时的评价时间3 S9 l! c. h `- X
local-reputation-now;;此次交易后相对于对方turtle的局部声誉4 K) O. l. k8 R7 f# }) [
trade-times-total9 K; ?5 f; x/ C3 s0 G' t3 f3 r
;;与当前turtle的交易总次数4 U6 |- S% l( p/ h* U- Q/ ^) I" \
trade-money-total
; A4 d8 _9 W( M! D% }9 q! W5 e;;与当前turtle的交易总金额& g* Q4 Q( V/ [3 _- ?7 h; p
local-reputation% m) d& J& E1 G4 |/ H/ X
global-reputation- s$ O- W( I1 c# \- K4 I1 I3 l/ x" v, |
credibility
2 L* a$ n; \6 R3 D: X$ ^( O8 l;;评价可信度,每次交易后都需要更新
; g U' H8 H" d Mcredibility-all
' u0 a- k; q) P" r6 G6 Q;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据
, ?+ W. T) H0 I* c# [$ l0 B3 }! c* E- `6 {4 d5 v- t" v1 j; o
;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.50 w% Z; [9 W0 t; p% u/ V3 ~
credibility-one3 z, D: V) e, d7 j) t0 a& `1 p
;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项/ I9 }4 ^. _# F5 d3 F
global-proportion% \" R9 i4 r1 q* s2 \
customer
7 {5 y: t8 |4 A* ?: ]6 Vcustomer-no
# i* D" ~9 U' a; j: D) Strust-ok
( ~% r- P5 Z& W7 b5 E8 L8 j3 ?" ]* btrade-record-one-len;;trade-record-one的长度
9 F/ s S9 ]: N) e2 D- s* L]. C& N6 p' ?5 j8 W" U/ z
& v5 V$ g0 x0 h% ?
;;setup procedure" s% J: U0 ?6 o4 f, m( B+ q) r
+ C. l) s0 I4 _0 Ito setup! H& g/ y- ^+ L+ v
' O" f( v% n7 x, t$ d& l+ w/ Hca, e* l. Z) ] C0 t' o1 x) ?( v
- j+ O& e) k1 ~ v7 q5 kinitialize-settings
/ T- V$ _) q* T, F% w: b4 @- j, X( \1 I+ Z$ X f
crt people [setup-turtles]4 C6 q1 E1 O* R
1 z6 k! D( ~% D1 @2 ^9 K/ L
reset-timer
E( i0 X4 j# I+ G! Z6 W8 r/ b$ c1 {6 c$ k3 o+ n' T
poll-class
% m/ ?9 a7 d/ O' k- l, H: F& v9 E ^# K
setup-plots) R& H2 V& X! k( x$ i0 I
# x ~! ~/ M& ?/ _$ i
do-plots* H x/ e$ S; a6 d
end a: g* I, O a
0 [' v# V) ]% i; nto initialize-settings/ U9 R/ S; }; W% F, p1 H
5 ^( g% P" _! Y; T
set global-reputation-list []
: r F0 L& d" G* ^' a; W- z' y# a, r% c+ v
set credibility-list n-values people [0.5]
( Y4 A, w* T# k+ L ^& d; H+ J. J" l* {2 ^' l7 V/ Z) J
set honest-service 0
+ h: ~9 |' U- q S8 r& F4 p$ J1 ^9 H2 l* |4 Q3 K9 I3 N
set unhonest-service 0+ A' I# Y! ?( _
% G7 }$ d" R" vset oscillation 0
$ F" M; I* ~: y2 v1 ~6 f! Z/ \- r1 b* l
set rand-dynamic 0
, ?) o% G. Q% o4 {2 y( O# q9 s' j- _end
) b2 r/ W- J _/ n2 B) y
1 l9 \0 _; h; n$ c! \to setup-turtles
" p5 s% f( a$ n8 |8 n7 f1 \' Z' eset shape "person") n, _. \* b- Q) {9 e
setxy random-xcor random-ycor
9 y+ J7 H1 v( D- I* ?7 J( dset trade-record-one []
6 ^8 O3 D& [! k9 V: E8 r+ ]
1 J" d- X& S& J$ C5 J: h' ^$ [set trade-record-all n-values people [(list (? + 1) 0 0)] 7 {! E1 z! P0 T; W7 K
d- j8 F4 C# R" r" C$ Kset trade-record-current []
. D3 e T" @! rset credibility-receive []
; Q2 S2 ~; j9 Z% a& Y. {set local-reputation 0.5( V1 s( C8 W2 G2 d( j5 W" Y
set neighbor-total 0
' {, {0 X8 [) D0 ^, oset trade-times-total 0
' K7 A# K; Y# C' f6 F3 I5 bset trade-money-total 0
, v! `, [4 r6 n# m# R, ?& E8 cset customer nobody, C* f% i* o2 o4 E; X* I9 o7 U' ]
set credibility-all n-values people [creat-credibility]
+ j+ F W# ~9 w7 oset credibility n-values people [-1]* H" w9 e7 {- \( h" d
get-color
/ K2 |: G1 D/ J8 o) C: {. s4 i
1 ~( Z( @2 l7 V$ g4 S* r9 ?end
: B# ?# b; {( g9 g8 v% g
" s! Z3 r( \6 v% F: cto-report creat-credibility
. t4 w8 ?5 k! [4 J4 X: r& q9 z! ]" Y% \9 Mreport n-values people [0.5]; a5 p9 u+ m% f) U( C
end
6 m" R7 E) W2 X9 |
' v* z% t" o: g2 pto setup-plots
# i; h3 S3 w- v! ^) V' } w) T$ {, O3 z: Z& @$ f( F, U' S
set xmax 30
6 \( T+ _6 `0 y7 W
! S# t# ~. l' m$ V, C6 uset ymax 1.0
+ z) A' {- N" W! Y) f! E! Z' k0 Q
R. k. p4 f( S* v: Y5 y1 {+ i( bclear-all-plots; N" T& a- u7 @! P. S' s2 [
) @) n0 Q( @ K2 v7 a& E& Hsetup-plot1
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, D1 i& N* g# h7 ksetup-plot2
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setup-plot3
, ?( x9 O5 W" ^5 K3 \# ~% p/ `end3 C6 a$ }2 i4 P8 z" {
0 Y7 v l$ Y5 B# z; ^% `) M;;run time procedures
9 Q6 F3 k2 r. I+ q d2 ~6 M" |0 \8 B( P1 }- G9 E
to go
: \3 L8 y$ U8 a- p3 X
7 `9 w% u) x: ~% z0 y/ J/ Z" v2 @; Eask turtles [do-business]. t0 y6 b" r n" k6 O' Z
end
4 |1 V3 _; @# K, \6 Q: l
2 c0 b# F! L4 I$ @to do-business
" l0 D: x( Z- D7 Y, b5 F4 x; q# t( `. a; k% l( f
3 A; U! n7 g0 m' Q4 Trt random 360, E% C1 m: ]5 S: B. o5 p( A' U2 ~! p
4 m% K8 i& I/ s0 R
fd 1 z% y5 ]. L" s: _. F7 W
6 G ~2 P, }$ U6 a$ j: k) J; K1 K% c4 ~
ifelse(other turtles-here != nobody)[# p- _: f6 V- D! M I4 e! d
; ?* F, U. R& @; r9 [. }
set customer one-of other turtles-here. Q7 h6 P0 f* o4 [" ^0 |; X0 h: M4 l
: D2 ` D$ {% P i6 t* j# N;; set [customer] of customer myself! x Y# h# e8 B% m/ @- ^ ^+ y$ j- G
@. |5 j: N% s1 y* V& C2 \- yset [trade-record-one] of self item (([who] of customer) - 1)
m! }6 V9 d0 k3 H[trade-record-all]of self
! ]/ d* X7 z3 ?+ r;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self6 B4 Z) o; ~: u) d
6 z- C# K( `! r# Y0 N0 pset [trade-record-one] of customer item (([who] of self) - 1)1 \4 y! N: ~$ x* B& x4 L1 E# h
[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self
" R$ r# Z2 W3 o5 d5 E: ~7 z* M, c% P3 G4 |3 U# G
set trade-record-current( list (timer) (random money-upper-limit)) D3 ~6 I: r6 o; V6 n$ D
. e" h0 Y: b4 P+ v
ask self [do-trust] `" K4 p- B7 C9 K1 y6 ~7 l
;;先求i对j的信任度5 l5 w6 Z4 i% W( w' X5 d1 i3 {
) J; p# [4 E9 h' D+ l2 q; X7 n" cif ([trust-ok] of self)! \# R6 V" e& A' E: n) O- V7 H. L
;;根据i对j的信任度来决定是否与j进行交易[
* E2 Q4 U- o6 ]/ W# q0 fask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
2 o0 h7 e$ P0 ?, X3 J8 _8 x' s+ l# Y7 }- ]: v# C2 J- d
[* _ s p' G) B0 ^# Y. f
5 l" R" B+ o8 q' e: J# r5 ^
do-trade6 A, @# L, l4 l
, r) T" O+ u% ^8 {8 S2 [1 \update-credibility-ijl
, ^' z a" R4 `- t+ y2 Y7 F( l( s" u) d6 D+ H0 g
update-credibility-list! X9 J2 K0 V# s4 B8 v. ?' O. \
( v9 K+ }/ X N
1 q: ~: O/ X1 X; D1 j5 D$ `! Mupdate-global-reputation-list
' ~ C* {9 }$ A# }" m8 M! R, r6 N% A! p3 {
poll-class
2 s$ Y- R. o3 B: N& d2 ^8 c
4 P/ c7 c0 x# T: {* U! Xget-color
" G& g- ?9 X2 S# y0 C" ]% g6 y2 \+ k; z/ ?; Z. W. w& i" p) o
]]
1 [1 ~" w8 l# d% i+ T( J( F+ n" c- ]
# A! Z2 y( z% z7 \: m;;如果所得的信任度满足条件,则进行交易
6 ~$ r P' A* K, B2 P5 _( M3 v F Y5 B. b0 i! Y
[
( h7 |2 R0 z3 Q- Y# a' c2 t* p" n" d7 R
rt random 3608 S( |& Q3 U8 l* W
6 [6 ^% p' r* }7 j
fd 12 r5 O! c7 x3 i
/ a* w' ]! ~5 j' ?3 V+ ~7 g]( z0 I6 c/ e& P6 \4 V
6 w: F5 n, Y& y6 ~end" a3 K9 x2 @7 [. l* Q/ G$ j
( I' B$ Q; X9 f) x* Sto do-trust # ]) i$ N! Z0 c
set trust-ok False' G# o' Y$ {, @, H
# k1 i# S0 w2 T$ W5 C
: i) l7 `) V2 ]( \% Z8 tlet max-trade-times 03 Z& l! T4 S' G( e
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]1 H* x2 F: |1 X. M
let max-trade-money 0
1 c! t- t w0 f$ g- Y* aforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]) L' G1 i" x! e1 H5 t6 T# h
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
# O! Q! v }& b( C+ {2 S0 \: E! y$ c$ _' M$ F y
3 k' q& M+ _' y N, F$ p' G* h4 V
get-global-proportion
- ~, V) \6 x' y3 u1 ]let trust-value# f3 n$ s9 W* s2 ^, R
local-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
2 ^! K1 Q& n9 m, z) a$ X/ n0 x6 }5 `8 ^if(trust-value > trade-trust-value)
( ]$ h2 K1 _: _/ {0 o[set trust-ok true]5 l; V! c* O+ S9 r' V+ J
end9 A, M4 }7 {) a& m- @' r' _. C: U
; O5 \7 m$ b$ x7 I2 g# Y: }to get-global-proportion
) F1 j: O4 D1 \ P1 b7 G/ w& _ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)1 k. B {3 h" ~1 |+ D
[set global-proportion 0]9 W" o) x. `/ i4 g4 n9 z8 [
[let i 0
: s% Q2 f# H; e, Klet sum-money 07 f" l7 s3 v$ k0 ?+ ~
while[ i < people]3 f4 h$ s! |, r9 M. D6 p, W2 C; d
[4 ~/ E6 l' v8 T4 \/ k
if( length (item i
" G. l: B) E0 g8 M% b: S: n[trade-record-all] of customer) > 3 ): k5 i. V6 C2 v. d/ ~8 I9 A
[
' V5 D# T! N' p5 ?0 s/ O$ [set sum-money (sum-money + item 2(item i [trade-record-all] of myself))& ]1 D0 E( G1 G6 ]
]
E3 H# x+ W! X0 o]) e4 S6 Z: M R6 z2 n; J
let j 07 n6 B0 R7 A @, n
let note 0: ]6 Q- R* ]. u' F. B' ]0 I( F6 N
while[ j < people]
; a6 ]0 D9 p; g5 W% g+ r3 v) h[
% w) A S- J! \8 lif( length (item i, q& z$ E2 D4 m3 @. u
[trade-record-all] of customer) > 3 )" P" }. u# w# x3 K: q7 S
[+ k ]" l$ p# U
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
& f( y/ {: j+ _2 R" y1 O[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]7 C. a4 M3 T, a3 y8 W" z# V: E, r
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
, n3 T- h$ T, p2 ]/ Q]$ |. b& r0 w' \8 c
]. j/ I I6 \, Z8 T) @3 l- z
set global-proportion note/ O" t7 u# n( M2 L$ A% W. t
]' s! W! ?) b" y5 F
end
$ d. Q9 l; H$ l/ W: p3 A7 j; U+ W! C! _8 O
to do-trade- M, L4 F2 \, D6 U4 l3 R
;;这个过程实际上是给双方作出评价的过程
e2 A$ }9 T# U' g( w5 Oset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价8 s& s z* O6 |5 U* _8 x, q2 [. p
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价, ^ y7 e2 _. N& x
set trade-record-current lput(timer) trade-record-current& L0 B+ [( \+ ?
;;评价时间9 r6 j' g8 {2 I5 O8 E5 v e
ask myself [
" u2 c: J% n2 G# v! i' gupdate-local-reputation6 H. z/ [3 R. j+ L; r' X
set trade-record-current lput([local-reputation] of myself) trade-record-current' ^5 r/ W6 M8 Y4 C6 [
]5 J* r3 x9 w, A1 B C: X7 Y4 s
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself! h9 l7 y$ c" B- e: G3 D8 J6 {
;;将此次交易的记录加入到trade-record-one中% A9 |6 h, m G; s R
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
9 O2 L; \* B8 e$ P. hlet note (item 2 trade-record-current )- P; P- a0 d+ Y+ R6 O4 l: ]7 m8 L
set trade-record-current# n9 w9 F+ s8 H9 g
(replace-item 2 trade-record-current (item 3 trade-record-current))9 A! R8 @. ^& r# c: |+ i
set trade-record-current
0 N, F" q; D% ^; o6 K5 |0 v% [(replace-item 3 trade-record-current note)6 ~: s4 W8 l: Y$ d$ w8 T
$ K1 w {. G: o; {& r* x: M' w, {; r; O2 Q2 d2 t
ask customer [8 z! R1 P v( G( B* Y- s
update-local-reputation( F ]# c7 |0 l- O( [4 w
set trade-record-current( W& O+ P( F7 ^+ N+ C! V+ z
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) % t0 b: h2 U6 z' r& R+ H
]9 C' Z9 H3 c/ ?" H8 X
4 }( g) Q; y* ^4 @6 C0 [/ S& d {: X5 I3 r/ n
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer! Q6 F8 ]' W/ A& d8 _0 E
. z2 V, y( c$ e' U% H }set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)) P& H( W2 ]2 h% I. h( t6 J0 W
;;将此次交易的记录加入到customer的trade-record-all中5 ^' i- p$ ^2 \# x: K2 d, S
end+ |. _1 L1 ^5 s7 R q
* Q/ V3 q2 d/ y$ Bto update-local-reputation
& z7 Z# U& }! b; Xset [trade-record-one-len] of myself length [trade-record-one] of myself
1 ~9 O ~' \, L; J0 V5 n1 q
" F9 M5 }& I7 z$ J1 c$ |( e! l! E6 h' [ J$ F4 A% U
;;if [trade-record-one-len] of myself > 3 1 ? i: ]. r' T! d7 k1 {
update-neighbor-total" K! Y' z6 F9 D) j$ @1 E
;;更新邻居节点的数目,在此进行; M: }: D4 _, @" E
let i 3/ _' o3 X& `' s3 t( y) j# [6 k
let sum-time 0
, J2 `7 O. I+ F: x* _+ G6 V/ Ewhile[i < [trade-record-one-len] of myself]
; o- O* u7 ~4 V. s n' u) q[7 _( @! E ^5 N9 D) V' f" m
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )8 x! O0 k7 w; e8 |8 U" m3 u
set i
& C9 W: `0 H. a, I: r" g! ~( i + 1)
7 }9 b) V$ @8 r* H ?# a]
2 O" s/ ?8 B/ I; K1 ~/ f6 n2 tlet j 3
_/ ]+ e+ o* F5 ]- j: q( ^! T8 elet sum-money 0
+ m# f6 E# E W" ~: J5 C! Gwhile[j < [trade-record-one-len] of myself]6 u& L4 f( S3 A) O
[
1 K' x9 O. I6 F) Oset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
0 v" P& Y3 Q. g$ b2 m& `& t. ^set j2 ^) Z$ I4 o3 n( y) e* c+ Y
( j + 1)
" z2 C* {. ?; P. V4 F]$ L6 _1 @/ `9 }5 ^+ n
let k 3; ?+ }9 l- z |0 K' d7 A& T
let power 0
# V5 H( A. C, r4 s/ N2 v7 Vlet local 0
1 x/ v9 Y# x; V& w* Rwhile [k <[trade-record-one-len] of myself], `6 b" g% ^' W% j7 l! A
[
- `" J3 \ t1 x- _set local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money)
8 }' v1 ~* v! jset k (k + 1)9 d3 ^ M6 d8 s+ b1 d+ a7 O: U
]- a+ Q; N) r$ l$ T% o
set [local-reputation] of myself (local)2 E4 x; e3 g% t# m# s
end2 e! w. y% a8 }) e3 ?+ @
- Z Q3 K0 C. S, Vto update-neighbor-total
) E# d- @! [# j( P* U2 w3 R0 Q; o1 F0 z6 E0 p
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]" S. p6 m5 U0 X+ B* E
6 a$ J6 b3 Z4 y+ [2 P0 X2 E) m" W. X+ g
" m$ M, ? l) `) i9 S" M7 F @end& s0 i6 ]- l7 r, K+ x
" p' T/ I0 ~; w( f) jto update-credibility-ijl % |0 {+ Q8 f2 ^0 V" D& [( Y' f
3 l% O# a3 ?$ O$ I8 g
;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
' Y9 t8 a3 y) A" dlet l 0
, n; s9 |0 I- u3 l5 o/ B, B- ] bwhile[ l < people ]
& q" B% Q/ F9 q;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价" Y+ h7 n8 b$ v/ i2 o
[' l$ R9 @9 u& ~# Q$ _! x
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)9 I+ A8 ^6 Z- {( s5 U) x
if (trade-record-one-j-l-len > 3)( D- X3 u6 C5 |7 X ?, }
[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one2 v" {& w3 F# x! h% D5 C f% D
let i 3
& E2 ?7 t; y/ x0 o+ n9 A( r. klet sum-time 07 h# r8 X; @5 A9 W$ ^1 E
while[i < trade-record-one-len]0 R+ Z6 O7 C* x' U, U# s
[
! b. j! f5 G: a3 kset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
) Z- T9 O8 w8 y* \9 ]3 hset i2 i6 U7 X: E( \* u; I
( i + 1)
* s; h. { t# _: r]
* {8 A! r% r# p" I9 R+ q* B" ulet credibility-i-j-l 0
( p$ N1 ?! r7 E% \. u, Z;;i评价(j对jl的评价)
' U" Y9 G: U( {+ qlet j 37 e" E$ P; [- J& k$ y% _
let k 4
) ^% A" S4 U1 l; V4 Vwhile[j < trade-record-one-len]0 q6 Y; E( }8 V0 Q" h& ?
[: r, Y: [, O. H/ _& q. n J
while [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉5 P# Y" p v. V3 D
set credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)
4 s+ k! T. U8 Q2 y5 d# v( q. n6 Oset j8 M Q: |, q+ ~5 H" ?
( j + 1)8 o. Q; f% d/ Y6 g4 L
], N+ V# _- f# `- g2 k
set [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))$ Z( `5 s% W& w- O
8 w1 L& s& q& R) b2 Y" I1 U
5 \! r! }- @! d9 x$ G) M: w) ylet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
% c) O: g$ K6 D! C4 p( q; i0 g6 o0 {;;及时更新i对l的评价质量的评价9 n V$ T8 N) o1 P& g( l
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]5 {: I# J/ O+ P' v
set l (l + 1)
* F y, i% }5 L$ n4 F) s- r]
% z4 t$ }4 e! C6 b; Y- j8 kend1 n& w# `5 G3 `4 i
8 q9 T9 T% E" ?1 Z+ W- Sto update-credibility-list
0 Z" t* i3 q* \6 U; o+ u7 Blet i 02 k7 R4 b7 t8 }! S" B& U
while[i < people]- I* k1 D( E. @; x7 f r8 O
[
9 e4 w+ m6 ?; x4 e" Tlet j 0% z- U! Y! M" _9 `. |; K
let note 0
7 K4 t) [/ j: @2 J1 w0 i3 l/ k# K Ylet k 0
& @3 Z- x6 X0 h. O1 F- A;;计作出过评价的邻居节点的数目
* N& e" Y; Y, k+ _/ y% ]" swhile[j < people]
$ P9 R# @/ z5 |[4 [9 ~/ u/ e% c7 l$ s
if (item j( [credibility] of turtle (i + 1)) != -1)
$ N3 b" b h( p: _;;判断是否给本turtle的评价质量做出过评价的节点/ U% F$ j) Y' Z8 L" s
[set note (note + item j ([credibility]of turtle (i + 1)))
1 F5 |. h* d- K* R;;*(exp (-(people - 2)))/(people - 2))]. l7 x0 G6 E+ Y+ I9 M9 C! Y
set k (k + 1)7 l/ F, Y) w" Y
]
B9 U1 {; ]' Rset j (j + 1), `* E$ e+ O5 R6 ?( T$ E/ m1 F
]
2 G) [7 m* B/ g! z( j* F2 G6 W ?% B- ?set note (note *(exp (- (1 / k)))/ k)0 c; e) N. r: }" q
set credibility-list (replace-item i credibility-list note)
. o- ?1 p1 G# ~* Y2 q9 |/ Xset i (i + 1)9 \4 i/ i3 ^6 T. F: {0 ~2 a
]: \$ [% _$ F5 j! c6 k' q" C7 P: \
end
/ j; I) e& [: I' m+ q/ C2 O9 V; ]4 W
to update-global-reputation-list
' b4 n* _- n$ {8 C' U% W7 ylet j 0
" U1 T J0 `1 u$ W2 r k: \* bwhile[j < people]2 T: L a: x# V& C A1 n
[
/ ]& a- }% O1 `& ~8 z: w, Ilet new 0
1 I [3 [& H w) Z! L' q4 l! u8 i;;暂存新的一个全局声誉
. T7 o( n2 @/ H% q: nlet i 0% Y3 P, y3 ?+ {& ]8 d0 W
let sum-money 05 c1 E C8 N2 ~5 Y
let credibility-money 09 u( v& t) B6 R2 v0 x% d. v
while [i < people]. P3 k9 X5 e6 F9 o2 e
[
& m' u: }$ p! k5 U5 X' d' J7 pset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))+ Z; N6 i1 B/ E+ u# _) r0 K, }( z2 {
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
9 L* B" A& d) N; P3 ]) N$ aset i (i + 1)$ n$ o ^# j( I' |' E9 C
]& y& t- L8 G- T
let k 0
" W3 v5 r% _5 k, `9 J- `4 {let new1 0% G. T( k* ?5 J
while [k < people]9 y2 X: e3 {8 t- S- r
[
4 R5 t: D3 c4 a I! L7 P' Kset new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)
& @; ^/ a0 E8 pset k (k + 1)
( P- S* t* Q9 h+ i2 }]' B9 f( J* R3 q0 H: A1 ]9 m
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
& k+ ~9 m; t6 Z0 t6 h G) a5 E+ Jset global-reputation-list (replace-item j global-reputation-list new)# m3 A2 A+ e+ W* k: f- q3 e2 o
set j (j + 1)
& o- g& f# Q# J& r& ^]1 G' w4 O) s2 o' L5 v7 X
end
0 V* e3 }$ x" I4 X8 L3 f3 J. a
2 I$ ?3 n6 H9 [- k* ?
8 [7 U6 a1 E& l& K# O+ S+ a9 z
; O. E7 E% P" O8 Rto get-color
9 q- ^2 J% W5 [- o! z5 J A* ^) X: v5 @8 x1 {) g: }
set color blue* Y& V4 ?2 g, W! ^! B
end
. e4 U M' G1 C
. e3 Q+ Z% X. P1 ito poll-class
/ D1 V+ U/ c4 s" jend" J' M8 Z$ o5 w4 s
+ l/ b* t Y) N, y9 O# F5 g# @
to setup-plot1) \2 K* e0 }/ m9 k: W" a+ |3 Z
; J0 d1 i' _" ]6 A2 [set-current-plot "Trends-of-Local-reputation"9 q- H( j2 b+ L ?- X
' P. x5 s9 A0 W0 |0 K
set-plot-x-range 0 xmax
% h+ u2 B x% z7 p* _( A( E( W f+ [8 a9 s( {# q
set-plot-y-range 0.0 ymax
2 \) J! L9 u5 A y2 gend4 h, l, | `6 L6 Q; k( u' c
0 g; z/ i+ E3 _9 y
to setup-plot2
* j0 H6 i2 {$ {+ ^
! u+ n; X* A4 eset-current-plot "Trends-of-global-reputation"2 c" R' |: d) C8 f0 w
3 X- o! K3 \$ w& h- e F$ fset-plot-x-range 0 xmax) D% V9 i. d- T3 G: \5 @+ f5 `
" G8 L3 K, k/ n9 Y' d7 b
set-plot-y-range 0.0 ymax% O, h. M1 C# V' `% a8 L. a( a
end8 E( _% `, c/ V4 t4 D
; g) ?: x# G) B7 h& G3 l
to setup-plot36 G9 j6 M% U9 V
5 L3 ?* p; W( V5 ]6 y; l" e2 P Q
set-current-plot "Trends-of-credibility"9 z/ T- N! v- {0 G5 M9 }# v8 D4 ^
$ }4 W, j/ ^: h( ^" H
set-plot-x-range 0 xmax
* J8 G8 y, G( o8 x& ]: o5 u/ S4 v8 f
& q2 |' g$ X- d; P9 {' a |set-plot-y-range 0.0 ymax
; C8 D. b0 Q. U) `0 v- M" [ A+ T; G) C% yend" h. e D e- `; o, I
) S4 {0 W: v( `to do-plots- W+ c4 A7 K4 F: [" [
set-current-plot "Trends-of-Local-reputation"
' T6 \3 u1 `+ Z" D- g, @set-current-plot-pen "Honest service"
5 q2 `0 h: n% `# c+ ]0 send
8 `' j) J0 X* D7 U/ Q( e& l6 U e( @
! f1 [% q* F5 L[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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