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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9 c# E' `" d$ p' Q9 W% r/ ^
globals[1 I9 n8 r! I! A! S$ P
xmax
$ Y% E4 x* m: T0 Mymax
! f9 K9 n+ K0 _/ u; Z& s% N" eglobal-reputation-list% {) Y% f9 `% [" m5 U- [7 H
) I n& H3 N5 b( f/ o
;;每一个turtle的全局声誉都存在此LIST中# A/ r) n3 L s0 o1 b
credibility-list2 N% D9 @, S5 w% P8 C. B
;;每一个turtle的评价可信度9 z: G" h9 |% v6 r3 c% M: {! W \
honest-service
5 d9 C; Q6 C9 T; v" lunhonest-service8 D* _* s- e- F7 e% t' n' G
oscillation
# l, _/ U7 @& y7 l- Nrand-dynamic2 h$ O6 q* f! n" r
]# W7 h! r4 @* d1 [
. w) U* y% F0 y/ a) B$ sturtles-own[
@+ Z* c" o4 Z/ Otrade-record-all9 `1 o7 v" N7 `
;;a list of lists,由trade-record-one组成
7 f1 Z& ?" e* C. _2 Ktrade-record-one" _+ X/ M6 d; |5 z
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
' [$ i* G f0 u/ @
% F8 t- K. ]8 ^8 w/ u% j;;[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]]" b; V2 h8 r$ q; x$ {
trade-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], U+ ?9 ]; z/ N2 O
credibility-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
! B# U9 c: d1 b, B+ L7 `1 c' p/ q, Wneighbor-total
. T$ B( V8 T! p$ N- A: ^;;记录该turtle的邻居节点的数目' v1 z/ R |1 A* D8 e/ k+ e
trade-time( e+ ]+ R- d7 r) R1 j. X% _
;;当前发生交易的turtle的交易时间
2 M( M; J2 r3 s/ z! Qappraise-give/ i3 S2 H q9 M* j
;;当前发生交易时给出的评价
: o6 E: P& {; f4 b P- s6 j/ r0 a! yappraise-receive
+ G" B" a2 v3 o: [- \& h$ _3 o3 i$ _;;当前发生交易时收到的评价
P5 }* z7 [) V% K" t' ~appraise-time
5 H _: R: X2 S;;当前发生交易时的评价时间/ n: k9 a3 f$ q" c C. c; f
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
+ N. I+ ]. Z- g" Q( \trade-times-total
$ M. @) m8 s: T: A! m;;与当前turtle的交易总次数
+ n9 I7 F- l$ T. E( T- Qtrade-money-total+ A2 V' @ Q( ^$ i/ @: q j$ [
;;与当前turtle的交易总金额% X, ^, O8 R, k' G' q6 T @
local-reputation
! j% B. @! T/ zglobal-reputation$ T5 \ Q3 R3 y% V* R) a+ c
credibility3 W2 d& Y/ M5 A. e y
;;评价可信度,每次交易后都需要更新
% f9 I" m; g- Q! A1 Ucredibility-all
7 D& k* O* S y5 D; h6 d% @;;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
7 E5 k# k: U2 ^! ?
9 U* u. ~( h; z# g y( f4 M2 M" ~;;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0.58 @7 }8 _! J. f7 ]5 V" w/ T- {: r a
credibility-one# E* N! ^5 }4 y! W) z/ j
;;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
5 f; e3 ]5 y. j) y, N8 w- `global-proportion7 L. R8 ]0 ^$ g! }5 Z0 F/ p9 d
customer6 N3 j# x; e, E0 g
customer-no- [. ?8 V2 x1 p' x! z
trust-ok7 N% l* e2 l) _% N% W: ~
trade-record-one-len;;trade-record-one的长度3 j! e! O, P k! A9 T+ X0 P4 h$ W- v
]# {# v; Y/ n) p6 C7 P/ ]
$ p# R0 Z+ C; z7 {9 V: d, z% i
;;setup procedure' }4 t3 Y1 ]) m+ K# l
; F' ^# j7 m* Nto setup( Y' U9 e+ J- i. P$ D
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ca! p5 N: V) C1 r1 ~/ \3 R
) k; U9 I9 f2 A" r# A- ~initialize-settings
. D E7 |) ~# {
. M8 I) I+ v* d" xcrt people [setup-turtles]4 X+ h7 q% }* z: p
: b/ I! \8 |$ v+ n0 Z
reset-timer9 h6 l8 S. [2 G( Q5 B5 D, ]
! {" G- ]9 h4 V: D7 R4 L- Jpoll-class
6 R& A+ a+ e; d. K: H1 w; T2 O- _/ B. c, E
setup-plots# h3 U' }1 }: z; b
0 D6 P' ^5 s" l/ ldo-plots
* `2 o% u6 ^' a& D2 g) G' \; I2 Oend
% n0 `, j8 ^- J$ m# _0 R* V* X9 j$ `) }( q0 c% P- z. h
to initialize-settings; W3 d1 [$ B9 N4 Z! |
* n/ n2 e W* T$ [5 [
set global-reputation-list []
6 a. x' p; s) }8 s' P+ W7 S
. X. Z- _4 r, eset credibility-list n-values people [0.5]
8 X% I1 x: R- E/ s; Z; p, K5 g" q% Q T7 w8 U. ^
set honest-service 0
! S. @' x0 V4 ^5 o
: L$ m; {6 a- \: j1 z, Z& q/ ]( N+ uset unhonest-service 03 w* L! K- x- n& F. ?! L" {
5 v: M& Y: T! w' n: ~7 C5 \set oscillation 0
5 @/ I# }2 E9 u2 a- @ K
6 i: x- c% u" T% uset rand-dynamic 0
' r3 d+ g5 r6 V7 p) h# s8 X; z; k$ Hend
: E7 [/ z% p0 P2 a% v, v/ f! P4 M
to setup-turtles 3 W4 h* }! z4 e' |
set shape "person"
, I2 C7 H9 k' C) Q; t* Asetxy random-xcor random-ycor
& a l0 u# b5 q( v! L: _/ _set trade-record-one []7 e3 q. s I# G- p
% R7 C" Q: w8 y2 E2 b( C% e
set trade-record-all n-values people [(list (? + 1) 0 0)]
. t3 a- E0 k; A* {5 H) `4 ~8 V
) e& w- ?+ p, E! q8 b! M4 l, f' eset trade-record-current []
. C: t% Q5 [) yset credibility-receive []
9 N0 g0 M8 H# K# r5 e0 c5 |set local-reputation 0.5/ [5 |& h$ a; u4 @* r, |/ k
set neighbor-total 0+ X8 x2 E+ d* w! G1 X& J" L4 g
set trade-times-total 07 F* I; F, E3 G$ [ R
set trade-money-total 0# n3 t' n9 Q3 X" k6 t2 b8 H" G0 S
set customer nobody
9 d- r6 s$ a3 n" nset credibility-all n-values people [creat-credibility]# _/ H3 g4 w* A9 i1 P; Q/ S
set credibility n-values people [-1]
6 ]- n* _, k! X1 M8 w, _get-color7 e% m$ b1 Z+ V% ]0 u
7 o& n- Y; `5 _; k* M9 r& W/ y8 Vend
w0 F2 F' T2 h0 U& Y# X$ A% n9 I1 j, z' ^
to-report creat-credibility; [+ l; M5 O+ Y0 N( l# c4 l' D
report n-values people [0.5]
* t: R: C5 E( Gend
* Q1 S. @: P3 b, S; d; }2 a5 z1 B
1 r9 H n& m* k- q6 V7 X4 @to setup-plots
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set xmax 30
" c- P5 v+ Q2 L+ b# \1 g' \0 } X& j2 J6 h& }
set ymax 1.0% v0 m$ Q/ |, k5 k( d
- A- a/ I% \, L2 @& q* T! pclear-all-plots
$ ?" E7 ?$ d' J) S+ a) A& b# _. z
! f' l% e6 v @1 C# @setup-plot1
& Q8 k$ {) A3 t$ T1 I% t# X, k5 Q( h) N* l: @
setup-plot2
2 L6 }2 y/ i' s3 z( s ^1 F- O
1 }3 }' o. p R2 _setup-plot3
: Q* \; y, @5 x6 Rend! y+ C% t. ]& x0 `3 X. E1 x8 F, }; Q
8 B: C& t% N d) C( U T6 j. W; n
;;run time procedures, O! y; u6 {" O6 i+ x# F9 \
! a# W7 r% a5 \8 K& Hto go
: _# f! H* ]7 S% {. [% K, V
9 z1 ?' x& r3 ~4 J. ^, [* Kask turtles [do-business]4 r$ h3 v- h( j% e8 s
end% z" Y0 u4 u" F, d
. _3 t4 Q0 Z( S! z5 yto do-business 4 v+ G0 n4 q1 r; N! q7 s/ V
( u) Y; h0 {2 A3 \0 s
! ^2 A8 d# i3 y+ o7 @rt random 360$ }8 d6 L8 x0 k* ]
' @; x9 Y5 P! R& M* g
fd 1
4 |- X' E- k) D _* S# r# i6 d2 h$ G
ifelse(other turtles-here != nobody)[3 G; `! C( B9 |( X& o2 k
* I& |) ^4 q8 v/ U- I0 n
set customer one-of other turtles-here
: [4 Q) ]& F8 H& e0 l' t' x9 B, g7 r! o# B
;; set [customer] of customer myself
: m4 n2 {$ g6 K W; W y2 T& h' q# i( m) _6 n9 B: m! C
set [trade-record-one] of self item (([who] of customer) - 1)
0 C3 y* U. W3 C R3 R3 p! _% t2 k; C% s[trade-record-all]of self1 \. s# a' U7 r5 }* ]
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
$ m1 |$ d. s1 @9 A& Y* L: P5 v7 H m* y2 t) S5 q1 ]
set [trade-record-one] of customer item (([who] of self) - 1)
" N7 P& v* W7 ^! Q" ~$ U2 h[trade-record-all]of customer; M% w* E2 P2 }: k6 P
- c f2 Y" P! ?+ e ], l
set [trade-record-one-len] of self length [trade-record-one] of self4 L% u9 U2 ?) G; b4 e: b
* A. r9 S$ @1 k9 f" Wset trade-record-current( list (timer) (random money-upper-limit))
& G ?, z* W2 g2 N6 i. F: |% x% k& e6 W" V$ I+ A! m
ask self [do-trust]
. O: T( ^8 w5 A7 K% s* k$ e q;;先求i对j的信任度# f& P" _$ l$ D2 ^6 v5 I9 G
/ }- N; K% C" d! m1 s5 eif ([trust-ok] of self)2 t; C/ L2 `# H1 B6 `/ a; X
;;根据i对j的信任度来决定是否与j进行交易[7 q/ B# q6 f$ ]* k4 L7 l3 c: ^2 z' M+ l
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself: m( f5 }2 y3 ], M! M, v U
4 @* Q: F! L k4 K
[2 o) ?- }; P" D1 ~
) Q7 ~8 v) Z8 ^) F! V6 edo-trade
2 J n4 ^, Q( B: C4 {7 m$ `& T" I. {4 Q
update-credibility-ijl
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update-credibility-list/ Y8 a8 G: j& b. b z- j& b% K
5 _' W( c! b5 w5 Q7 [$ [% {/ h( E6 l w) \8 h+ B
update-global-reputation-list
2 r/ L$ ^( N. A4 k* z8 d; _+ K# E/ ~
& c# y% K# T2 Opoll-class/ J: V4 ^- H& y z& w. @0 \ z ]# w
, s- z: Z) W7 s; y) V! c7 E6 Eget-color; Z. O- w$ y' l* e1 A3 c, o
, d3 a/ l# `& v; `! o. N3 q]]1 i8 L0 u# Q4 \$ L
/ U( s' B% c7 r8 f0 R# g" Y% s0 x
;;如果所得的信任度满足条件,则进行交易
0 ^; H( } D/ S( i2 Y7 h* M) O; \( j; B1 B# }
[
# i( Y8 R3 q5 k! E$ H( E" H3 x) {6 u: _9 W( [4 @% {. r
rt random 360
2 g! k* r1 x/ `6 `" I# f! z* U! H, L: z
fd 18 f+ |; X1 M$ g1 C! v; I
0 Z7 Y4 a1 N3 ~) v
]" K3 \2 }" x' D& B) c+ k
# C( L) n0 r$ u: F
end' i$ n9 d7 W' ?. G5 e6 d
0 r6 d7 K h$ J. Vto do-trust
5 ]( s8 |" l9 _* W% h. Pset trust-ok False8 d" b9 ~, C4 Q3 S
' e7 V6 u1 s& [5 g2 N( ]. `$ Y7 M0 d0 h$ a' w
let max-trade-times 0
4 Y$ _% y0 K7 j( C6 V/ Mforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
3 S9 A+ `: Q; D+ Qlet max-trade-money 0
8 g. R: N: ?, |foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
( Y! A0 ^% K5 glet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))3 I/ K2 Q! e* z9 F
6 P' x- n# j: b7 {) ^
" d* S5 s# k E- P% x2 j0 a
get-global-proportion k4 s: J+ \: ^1 Z4 ^, }( L. ^
let trust-value6 u: X' b( S* d) i Z( p
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)6 k# N# ~, c: f* o
if(trust-value > trade-trust-value)
& M+ q- {# I; r+ o[set trust-ok true]
C+ r: F* x2 v5 L, }end" Z; Q/ U5 C; L
! R/ I3 j( _7 k* l( Mto get-global-proportion1 N$ P S0 _. m7 ?- m3 V6 f& X f9 Y, c
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
/ X2 V! |" J4 h: j[set global-proportion 0] c* q; p1 R6 M1 D# ^
[let i 0 R1 W. a% B& p9 O
let sum-money 07 M5 e+ E4 a4 ?, E. [; p
while[ i < people], p7 _' }9 n0 L# Y
[
* q, g4 @2 k7 @. J: d) C- C- [8 p' mif( length (item i% E) H m# I3 ^4 Y
[trade-record-all] of customer) > 3 )
4 D- I) h7 P! H: P+ s3 `( M[
# O9 ?6 |0 w0 c1 G+ qset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
9 s. T( v7 p: E* \ q]+ B2 s4 J& m* D
]
' V8 q% s/ O- Q7 H- v# clet j 0
! E- y) X* ?. ?let note 0# f Z, z$ l4 e
while[ j < people]
2 B3 Y" }2 E& m[ J5 T( {; W9 K* {
if( length (item i4 a! }1 {$ i' I# p* N6 W
[trade-record-all] of customer) > 3 )& e. j, n( L+ o# d# j0 h2 t$ ^3 d# \
[
2 q, R1 u9 J& D, _5 c: R* M/ x# i9 pifelse(item ([who]of myself - 1) [credibility] of turtle j != -1) z& l8 h6 Q* i. \# x
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
4 v: u. m6 P3 G4 c1 \[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]) f9 V* g+ z s! p$ G2 @3 ^& C
]
: D f8 O& P5 z/ e8 b: x]4 n8 x9 r# O; \
set global-proportion note( Q1 `" M1 ~+ v
]" h/ R# H5 U: X7 G( g6 Y1 t
end- e- f* k! }! s5 c! z
' c/ g4 j+ Q4 O! q
to do-trade- s- R$ s3 x! N2 L6 Y
;;这个过程实际上是给双方作出评价的过程7 u$ W9 n$ A, d; N% w" }6 l
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价+ _' H3 q5 h8 t7 ^+ ~4 H
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价6 a" o9 w4 p/ c. M O! K0 v% H
set trade-record-current lput(timer) trade-record-current
8 t1 N" K, j# {( d- q9 |* u;;评价时间; z- V3 S0 d: \) o6 `! _
ask myself [* D5 a6 w; w9 {6 M# e/ S6 f+ Q0 J% l
update-local-reputation
9 X I9 u0 n8 {8 ?set trade-record-current lput([local-reputation] of myself) trade-record-current5 Z$ K- J7 o& O% q1 Y: p, O
]
: k. K/ p3 O" [, y4 S* x5 F- Zset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself0 ^' B" g- u( |: }3 J. C) c. P
;;将此次交易的记录加入到trade-record-one中
& I9 V2 I) B$ s: L" C; n% Zset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)# z: c" C1 r! A
let note (item 2 trade-record-current )
, P2 p9 v3 o# p3 f3 L" Rset trade-record-current( \7 n8 C) r" Q8 x& M0 T3 T
(replace-item 2 trade-record-current (item 3 trade-record-current))
& C5 z/ g) g W: T+ gset trade-record-current
t0 D- E. d" o) p" i9 `' c(replace-item 3 trade-record-current note)5 C9 S c4 T B3 ?+ E' p
" F) e/ Z, W Q1 j
3 k5 s- Q* }7 w4 x& j7 k/ m# ~8 Lask customer [
v' B; v4 k; mupdate-local-reputation
2 m7 p; D" o% G0 u. |. n/ f, Yset trade-record-current
6 o: L6 ?; S; l5 M9 G; V. h; D" D(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 2 M5 H! k2 | y- @- a
], H! ~+ z0 q' v$ i" b
( y* O5 @8 m% _# n- N! a
# h2 I# i! b9 E) K, {; u
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer6 m" h2 \6 D- i: [
9 j% ]6 t1 B; G% L4 e* s
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
6 C- k H$ X2 a+ d4 h$ J! g: h;;将此次交易的记录加入到customer的trade-record-all中' V: d8 I8 o$ W/ y
end0 `' f0 V3 ?9 d, @
( v+ g8 o3 ]; y. z% |0 e# rto update-local-reputation
' C4 s6 r1 E: C- T1 eset [trade-record-one-len] of myself length [trade-record-one] of myself2 Y9 L2 \! C+ i( i3 C: r! |
7 Z7 o8 ^3 _, d6 i( r$ O, N3 I$ a! ]) }- e5 g: ~9 O
;;if [trade-record-one-len] of myself > 3
* Z# R1 ?: @1 P4 a$ ~3 I$ iupdate-neighbor-total" s5 {- z. i& V7 L* r9 O$ P- F
;;更新邻居节点的数目,在此进行# |) A6 l, R. j/ F8 U
let i 3- ]- L4 D+ v8 I# N
let sum-time 0' o! o$ t& e* t
while[i < [trade-record-one-len] of myself]) t) R6 C' ]0 q" h
[) Y+ C5 i/ k: ]9 D0 p) A
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
( G) M G7 k8 X9 @set i
/ _, i: U9 D! Y# X. }# L( i + 1)
) b0 X8 i, ~) d0 T9 X2 j O1 U- j]
8 ^0 \) D* I- F$ mlet j 3
3 y+ N0 r! B& i \let sum-money 0
7 {+ N! Y1 h+ \* ^ [, Twhile[j < [trade-record-one-len] of myself]
0 F2 c) l2 P( a8 Q, _$ v[
* F- j( N$ g! j9 cset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
6 U* u- g+ y; I; w3 B; xset j
: V; N& p3 i9 w( j + 1)8 W0 [: H0 x4 x
]' T' z; v- Z; h: t- p% D
let k 31 O2 N0 w3 y3 u
let power 0
2 x5 e! [" H, C! W: xlet local 0
' t9 h. `9 p qwhile [k <[trade-record-one-len] of myself]* H: Z# L" o1 O
[
1 a: K+ O4 n/ vset 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)
' d! ~# A0 {: dset k (k + 1)
5 ?$ y: e4 q* h+ r+ c]' f+ X7 `+ R5 d) o7 C) R5 T* T9 i
set [local-reputation] of myself (local)* o$ O8 {8 J- l+ U: o. V
end+ g6 H. ^" o5 k1 e( V
1 H5 R- c7 k% C- k+ m$ s; ~ c* B
to update-neighbor-total
. V+ }0 k* n& @5 O
3 A# |* B( m7 A" [if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
, d+ P% {0 ?1 j& k7 T3 u
/ @4 x K& x% l1 S2 }+ p8 o& @! A/ r5 z) p
end
, L D' ~7 {! `) A+ i; x1 b3 j! B) E9 G+ a1 z$ o; `* i
to update-credibility-ijl
2 \8 P$ e2 A4 j x. z; X# l
* `1 a- Q% F8 Z/ \% {;;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。
# U3 L# N* c1 Y" u. j* O/ L8 k9 Q) Blet l 0
3 K9 R1 ?# k# v! `- O" i1 twhile[ l < people ]& Y* d& [5 k; ^: \3 k g
;;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
/ E- z( L( \( {. |2 ^1 l* B[5 I/ T" K2 g$ Y$ x9 [5 M
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
; P6 s, T9 |* E! Z6 D" i- f1 lif (trade-record-one-j-l-len > 3)
; P5 M. I( a8 o8 X[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one
! a/ ~( m2 ?# S: z3 W5 u7 Plet i 3
+ L( K. V. {- K1 ?+ S Ylet sum-time 0
5 z5 ^# O [4 `& B0 t8 Rwhile[i < trade-record-one-len]
$ b& Y$ h9 T G" h[/ l: ]/ d0 ~4 O, Y
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )9 Z+ {( I4 t( j8 m# `
set i6 f, C( X2 k6 p# P
( i + 1)
: ^8 M1 C* X: }# l6 []
- @: _6 E. t- {) a0 F9 |" {: {0 _let credibility-i-j-l 0$ f* ~& I) l! ~+ m6 A8 q
;;i评价(j对jl的评价)
" C9 b$ B. ] [' k3 E+ N Clet j 3
3 O. L. ~/ y) l& ?7 C" U% R0 t- k2 Alet k 4% V1 D1 {" ? V; N- u: X7 N% _
while[j < trade-record-one-len]
1 ?- Z2 B5 V: f, l" b- b0 Y[& T9 s0 ]. \8 w; R3 j: I4 C. I
while [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉
9 [* A. l0 W7 z! c$ F" n3 _set credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)
3 T M0 n3 p) lset j, z2 ^- ^0 F1 p# k% N
( j + 1)% f C4 |. |0 F6 D8 ~7 v, Z
]
s! K# h; G( l% d, L0 l6 I! n- kset [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))$ J J% v( q9 y' T3 i" o. Z' h
& W( \) z/ D0 n$ Q% Z: O7 c7 w8 d0 n, }6 U) }
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))5 X4 O' h0 j- Y" j0 K* c% d) T& U
;;及时更新i对l的评价质量的评价* T# J9 \. T# V# t: j3 `
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]( s$ i; H3 a( ~
set l (l + 1): l! y2 L( \3 \* N
]& Y! W a, v- i. E5 k
end& ~, H0 t0 y: H( I# g( l
5 j3 c7 U( W3 [0 S( j8 a; Wto update-credibility-list
& B. X9 c: a( X: O6 G' ?, llet i 05 o3 F5 }7 P) [( O4 l d# z
while[i < people]5 l* T' z/ f+ j7 J, H) ]' s
[
0 [5 o7 w0 {3 J4 N5 X5 xlet j 0
- L" z3 q% Y4 I! b tlet note 05 m* W1 T {& w& v: a' O
let k 0
% Z: X* \1 |! d' D, X% {+ w7 R;;计作出过评价的邻居节点的数目
Q# A) K" Q4 ]. c. p3 Lwhile[j < people]
8 j3 q) T* m5 W1 t" t6 E[
G$ e. Y6 F- l" y% cif (item j( [credibility] of turtle (i + 1)) != -1)
( b4 [1 Q) i0 e: Q) s+ B7 O* n! R;;判断是否给本turtle的评价质量做出过评价的节点
0 ^9 I9 [, U: l0 K/ [[set note (note + item j ([credibility]of turtle (i + 1)))
+ u5 ^' O' O5 j- l;;*(exp (-(people - 2)))/(people - 2))]
6 t' J0 j' Q e) f; lset k (k + 1)# U- n2 S' ]+ p& g3 b6 u
]- _! @7 \- |: e3 N6 w
set j (j + 1)' {* r3 \' \. L
]
$ ?: @. G) l! Lset note (note *(exp (- (1 / k)))/ k)
9 S; B+ B7 f, x( f" p( W1 Mset credibility-list (replace-item i credibility-list note)
1 Z1 P. a/ Y" J8 ?7 c% C; N4 `, `7 Mset i (i + 1)/ p: }1 W4 s' H: ]7 U) }
]
% ~- k+ u% T$ F% H, v1 `end M3 d0 p" Y; ~, p! c
& ?' ~- o5 Y; i4 Eto update-global-reputation-list. `7 ^) m. \9 c# {0 f
let j 0
; R+ y( W- k, P e7 ^while[j < people]# B$ v& g" |7 P3 l; C
[
+ A. U$ Z5 s6 olet new 0. x# P E; \" u! f
;;暂存新的一个全局声誉
7 X! \) t% ~' qlet i 03 ?' x b, c' f* I9 K
let sum-money 0/ X6 m# B5 e' v+ e* S
let credibility-money 0
6 N {* L/ n$ @7 s4 a Twhile [i < people]
* k5 s. Z! f2 q# k! B[1 V; K3 n3 A7 `
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))% k( E8 w Q1 U
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)). [+ H) u) Z5 V& M
set i (i + 1)' ^* x, F( m' Z
]
* n: K/ K- k& M4 r! Blet k 0
" `4 K- \/ a. ^8 e' slet new1 0. Y- Q2 t/ g" ~ ^* g
while [k < people]
/ L) Z' i5 q7 ` X8 B8 ?[* F$ ^* ]* V- x4 H/ N% e$ ]# N
set 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)
- l- e1 e) g0 Bset k (k + 1)
- H3 `# ]" I; L ]: U( f1 {]/ o0 D) I0 D" P9 @# h
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 5 h9 S/ \3 I8 I9 F
set global-reputation-list (replace-item j global-reputation-list new)
o2 i2 i8 u, z, R; aset j (j + 1)+ Y! B6 S2 J- `4 ]: p3 ?. i
]4 F6 H, ~7 @$ ?
end, U8 {, ]" k5 b$ ?5 V4 K
x, ]2 Y8 E& k2 F' e8 K5 n) t; O
( G/ D8 o* `8 p3 R9 ?( C1 y! L2 o" ?( N
to get-color
0 j, J8 c: J% Q" M! k$ }! Z. k0 }7 |6 X
set color blue
' }" h6 O2 K0 L/ }) D m# y! |- lend
1 l4 ^) o8 L. |! ?# d" a4 t2 k" u- M- g' F" p5 w
to poll-class- v1 A+ ~% r; b
end( Y8 q$ w1 m8 K5 t: W2 e; Z
8 q& U) Z2 k1 z
to setup-plot1$ I* L: u3 j# \; S
/ L* c6 c5 \9 v- Q& S9 k
set-current-plot "Trends-of-Local-reputation"
* m J7 c9 \! W8 Z! d
7 w v; q, |9 D* }set-plot-x-range 0 xmax' V& w% ?1 P. R n+ t
3 Y- x% }5 @0 I' vset-plot-y-range 0.0 ymax1 Y, y8 s1 U1 m3 V- z' W
end
2 g. f4 K3 ~: E0 @4 ]9 f5 M5 X6 D
; O. P: G L1 X' h1 Wto setup-plot21 A; Y& |) k- {' ^! o
: v4 f0 a( e& b6 Q( }
set-current-plot "Trends-of-global-reputation"0 b! H7 d5 x( ^" u3 p
3 q. F$ Q& S8 e% N5 ~# `( bset-plot-x-range 0 xmax9 B5 s/ I' F$ }" ^1 i- w7 X* Y
( n( B4 H& a0 }6 i
set-plot-y-range 0.0 ymax
- k" J. E7 e' r4 E& a$ U& aend* L7 T& Z* |4 Q! g- ?; G: f) n5 y9 j
: O+ ?8 R. z1 t2 Q6 w2 tto setup-plot3. P9 s: J% }2 Z
% `- R) k' o8 P# ]# K) c) {3 \2 D
set-current-plot "Trends-of-credibility"4 B" P4 _$ Q. P L- }1 ~; J
. l' P7 E9 g7 l2 b) qset-plot-x-range 0 xmax/ w8 ]* o2 G+ K1 M* z5 x5 q1 z% a
; g5 H, S$ w) _: Z% ^+ Vset-plot-y-range 0.0 ymax
* F# U, O p8 T; w6 D- hend
/ z F: [9 f" X6 p9 P2 m$ F, M& X4 |6 H
to do-plots
, ]+ G5 N& ]+ G* Q& [, ^- Nset-current-plot "Trends-of-Local-reputation"4 i4 p2 _% p5 z. A' P, }2 j
set-current-plot-pen "Honest service"9 ]6 d$ m2 t; }% P) i9 J
end
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% J, t; h- L# T( k9 E[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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